136465028571440 has 20 divisors (see below), whose sum is σ = 317281191428784. Its totient is φ = 54586011428544.

The previous prime is 136465028571437. The next prime is 136465028571457. The reversal of 136465028571440 is 44175820564631.

It is a tau number, because it is divible by the number of its divisors (20).

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 3 ways as a sum of consecutive naturals, for example, 852906428492 + ... + 852906428651.

Almost surely, 2^{136465028571440} is an apocalyptic number.

136465028571440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136465028571440 is an abundant number, since it is smaller than the sum of its proper divisors (180816162857344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136465028571440 is a wasteful number, since it uses less digits than its factorization.

136465028571440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705812857156 (or 1705812857150 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 56.

The spelling of 136465028571440 in words is "one hundred thirty-six trillion, four hundred sixty-five billion, twenty-eight million, five hundred seventy-one thousand, four hundred forty".