136406235615 has 16 divisors (see below), whose sum is σ = 235038437088. Its totient is φ = 67153838976.

The previous prime is 136406235599. The next prime is 136406235767. The reversal of 136406235615 is 516532604631.

It is not a de Polignac number, because 136406235615 - 2⁴ = 136406235599 is a prime.

It is a super-2 number, since 2×136406235615² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349759384 + ... + 349759773.

It is an arithmetic number, because the mean of its divisors is an integer number (14689902318).

Almost surely, 2^136406235615 is an apocalyptic number.

136406235615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136406235615 is a deficient number, since it is larger than the sum of its proper divisors (98632201473).

136406235615 is a wasteful number, since it uses less digits than its factorization.

136406235615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699519178.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 136406235615 in words is "one hundred thirty-six billion, four hundred six million, two hundred thirty-five thousand, six hundred fifteen".