Search a number
-
+
136919038 = 268459519
BaseRepresentation
bin10000010100100…
…11011111111110
3100112122012121111
420022103133332
5240022402123
621330352234
73251535604
oct1012233776
9315565544
10136919038
1170318333
1239a2b67a
132249bba9
1414281874
15c04890d
hex82937fe

136919038 has 4 divisors (see below), whose sum is σ = 205378560. Its totient is φ = 68459518.

The previous prime is 136919011. The next prime is 136919047. The reversal of 136919038 is 830919631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 830919631 = 2233726097.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34229758 + ... + 34229761.

It is an arithmetic number, because the mean of its divisors is an integer number (51344640).

Almost surely, 2136919038 is an apocalyptic number.

136919038 is a deficient number, since it is larger than the sum of its proper divisors (68459522).

136919038 is an equidigital number, since it uses as much as digits as its factorization.

136919038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68459521.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 136919038 is about 11701.2408743688. The cubic root of 136919038 is about 515.4121036147.

The spelling of 136919038 in words is "one hundred thirty-six million, nine hundred nineteen thousand, thirty-eight".

Divisors: 1 2 68459519 136919038