136131787706 has 8 divisors (see below), whose sum is σ = 216209309940. Its totient is φ = 64062017728.

The previous prime is 136131787699. The next prime is 136131787751. The reversal of 136131787706 is 607787131631.

It can be written as a sum of positive squares in 2 ways, for example, as 136117461481 + 14326225 = 368941^2 + 3785^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2001938021 + ... + 2001938088.

Almost surely, 2^136131787706 is an apocalyptic number.

136131787706 is a deficient number, since it is larger than the sum of its proper divisors (80077522234).

136131787706 is a wasteful number, since it uses less digits than its factorization.

136131787706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4003876128.

The product of its (nonzero) digits is 889056, while the sum is 50.

The spelling of 136131787706 in words is "one hundred thirty-six billion, one hundred thirty-one million, seven hundred eighty-seven thousand, seven hundred six".