Search a number
-
+
136396954 = 268198477
BaseRepresentation
bin10000010000101…
…00000010011010
3100111122200110001
420020110002122
5234404200304
621311243214
73244232521
oct1010240232
9314580401
10136396954
116aaa1061
123981950a
1322348375
14141874b8
15be93da4
hex821409a

136396954 has 4 divisors (see below), whose sum is σ = 204595434. Its totient is φ = 68198476.

The previous prime is 136396943. The next prime is 136396963. The reversal of 136396954 is 459693631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 459693631 = 3109147859.

It can be written as a sum of positive squares in only one way, i.e., 125328025 + 11068929 = 11195^2 + 3327^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34099237 + ... + 34099240.

Almost surely, 2136396954 is an apocalyptic number.

136396954 is a deficient number, since it is larger than the sum of its proper divisors (68198480).

136396954 is an equidigital number, since it uses as much as digits as its factorization.

136396954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68198479.

The product of its digits is 524880, while the sum is 46.

The square root of 136396954 is about 11678.9106512551. The cubic root of 136396954 is about 514.7561657163.

The spelling of 136396954 in words is "one hundred thirty-six million, three hundred ninety-six thousand, nine hundred fifty-four".

Divisors: 1 2 68198477 136396954