Search a number
-
+
136013737 = 137992801
BaseRepresentation
bin10000001101101…
…10011110101001
3100110221012202211
420012312132221
5234304414422
621255125121
73241045336
oct1006663651
9313835684
10136013737
116a85a152
12396737a1
1322242b02
14140c798d
15be1a577
hex81b67a9

136013737 has 4 divisors (see below), whose sum is σ = 137006676. Its totient is φ = 135020800.

The previous prime is 136013729. The next prime is 136013767. The reversal of 136013737 is 737310631.

136013737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 737310631 = 6733109507.

It can be written as a sum of positive squares in 2 ways, for example, as 36433296 + 99580441 = 6036^2 + 9979^2 .

It is a cyclic number.

It is not a de Polignac number, because 136013737 - 23 = 136013729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136013699 and 136013708.

It is not an unprimeable number, because it can be changed into a prime (136013707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496264 + ... + 496537.

It is an arithmetic number, because the mean of its divisors is an integer number (34251669).

Almost surely, 2136013737 is an apocalyptic number.

It is an amenable number.

136013737 is a deficient number, since it is larger than the sum of its proper divisors (992939).

136013737 is an equidigital number, since it uses as much as digits as its factorization.

136013737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992938.

The product of its (nonzero) digits is 7938, while the sum is 31.

The square root of 136013737 is about 11662.4927438348. The cubic root of 136013737 is about 514.2736321052.

The spelling of 136013737 in words is "one hundred thirty-six million, thirteen thousand, seven hundred thirty-seven".

Divisors: 1 137 992801 136013737