136890475950 has 24 divisors (see below), whose sum is σ = 339488380728. Its totient is φ = 36504126880.

The previous prime is 136890475921. The next prime is 136890476053. The reversal of 136890475950 is 59574098631.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 456301437 + ... + 456301736.

It is an arithmetic number, because the mean of its divisors is an integer number (14145349197).

Almost surely, 2^136890475950 is an apocalyptic number.

136890475950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136890475950 is an abundant number, since it is smaller than the sum of its proper divisors (202597904778).

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

136890475950 is a wasteful number, since it uses less digits than its factorization.

136890475950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912603188 (or 912603183 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 57.

The spelling of 136890475950 in words is "one hundred thirty-six billion, eight hundred ninety million, four hundred seventy-five thousand, nine hundred fifty".