136745540386 has 48 divisors (see below), whose sum is σ = 257013328320. Its totient is φ = 54086205600.

The previous prime is 136745540297. The next prime is 136745540387. The reversal of 136745540386 is 683045547631.

It is not an unprimeable number, because it can be changed into a prime (136745540387) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9725061 + ... + 9739111.

It is an arithmetic number, because the mean of its divisors is an integer number (5354444340).

Almost surely, 2^136745540386 is an apocalyptic number.

136745540386 is a deficient number, since it is larger than the sum of its proper divisors (120267787934).

136745540386 is a wasteful number, since it uses less digits than its factorization.

136745540386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21719 (or 21712 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 136745540386 in words is "one hundred thirty-six billion, seven hundred forty-five million, five hundred forty thousand, three hundred eighty-six".