136671354875 has 16 divisors (see below), whose sum is σ = 186071839200. Its totient is φ = 99397348000.

The previous prime is 136671354779. The next prime is 136671354899. The reversal of 136671354875 is 578453176631.

It is a happy number.

It is not a de Polignac number, because 136671354875 - 2⁸ = 136671354619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136671354875.

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, 49697300 + ... + 49700049.

It is an arithmetic number, because the mean of its divisors is an integer number (11629489950).

Almost surely, 2^136671354875 is an apocalyptic number.

136671354875 is a deficient number, since it is larger than the sum of its proper divisors (49400484325).

136671354875 is an equidigital number, since it uses as much as digits as its factorization.

136671354875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99397375 (or 99397365 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 56.

The spelling of 136671354875 in words is "one hundred thirty-six billion, six hundred seventy-one million, three hundred fifty-four thousand, eight hundred seventy-five".