136400404411556 has 24 divisors (see below), whose sum is σ = 239970617322240. Its totient is φ = 67837468442112.

The previous prime is 136400404411511. The next prime is 136400404411561. The reversal of 136400404411556 is 655114404004631.

It is a super-2 number, since 2×136400404411556² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6595496 + ... + 17784863.

It is an arithmetic number, because the mean of its divisors is an integer number (9998775721760).

Almost surely, 2^{136400404411556} is an apocalyptic number.

It is an amenable number.

136400404411556 is a deficient number, since it is larger than the sum of its proper divisors (103570212910684).

136400404411556 is a wasteful number, since it uses less digits than its factorization.

136400404411556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24387803 (or 24387801 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 136400404411556 in words is "one hundred thirty-six trillion, four hundred billion, four hundred four million, four hundred eleven thousand, five hundred fifty-six".