136061421740 has 24 divisors (see below), whose sum is σ = 300767354160. Its totient is φ = 51560117568.

The previous prime is 136061421739. The next prime is 136061421781. The reversal of 136061421740 is 47124160631.

It is a self number, because there is not a number n which added to its sum of digits gives 136061421740.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179027807 + ... + 179028566.

It is an arithmetic number, because the mean of its divisors is an integer number (12531973090).

Almost surely, 2^136061421740 is an apocalyptic number.

136061421740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136061421740 is an abundant number, since it is smaller than the sum of its proper divisors (164705932420).

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

136061421740 is a wasteful number, since it uses less digits than its factorization.

136061421740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358056401 (or 358056399 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 136061421740 in words is "one hundred thirty-six billion, sixty-one million, four hundred twenty-one thousand, seven hundred forty".