136405502 has 16 divisors (see below), whose sum is σ = 220868640. Its totient is φ = 62987232.

The previous prime is 136405499. The next prime is 136405519. The reversal of 136405502 is 205504631.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49793 + ... + 52460.

It is an arithmetic number, because the mean of its divisors is an integer number (13804290).

Almost surely, 2^136405502 is an apocalyptic number.

136405502 is a deficient number, since it is larger than the sum of its proper divisors (84463138).

136405502 is a wasteful number, since it uses less digits than its factorization.

136405502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102307.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 136405502 is about 11679.2766043107. The cubic root of 136405502 is about 514.7669187516.

The spelling of 136405502 in words is "one hundred thirty-six million, four hundred five thousand, five hundred two".