136618955 has 32 divisors (see below), whose sum is σ = 186202368. Its totient is φ = 95356800.

The previous prime is 136618931. The next prime is 136618957. The reversal of 136618955 is 559816631.

It is a de Polignac number, because none of the positive numbers 2^k-136618955 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136618957) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143792 + ... + 144738.

It is an arithmetic number, because the mean of its divisors is an integer number (5818824).

Almost surely, 2^136618955 is an apocalyptic number.

136618955 is a deficient number, since it is larger than the sum of its proper divisors (49583413).

136618955 is a wasteful number, since it uses less digits than its factorization.

136618955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067.

The product of its digits is 194400, while the sum is 44.

The square root of 136618955 is about 11688.4111409550. The cubic root of 136618955 is about 515.0352883728.

The spelling of 136618955 in words is "one hundred thirty-six million, six hundred eighteen thousand, nine hundred fifty-five".