136872707 has 4 divisors (see below), whose sum is σ = 136904616. Its totient is φ = 136840800.

The previous prime is 136872689. The next prime is 136872733. The reversal of 136872707 is 707278631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 707278631 = 5479 ⋅129089.

It is a cyclic number.

It is not a de Polignac number, because 136872707 - 2⁶ = 136872643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136872767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8294 + ... + 18507.

It is an arithmetic number, because the mean of its divisors is an integer number (34226154).

Almost surely, 2^136872707 is an apocalyptic number.

136872707 is a deficient number, since it is larger than the sum of its proper divisors (31909).

136872707 is an equidigital number, since it uses as much as digits as its factorization.

136872707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31908.

The product of its (nonzero) digits is 98784, while the sum is 41.

The square root of 136872707 is about 11699.2609595649. The cubic root of 136872707 is about 515.3539615854.

The spelling of 136872707 in words is "one hundred thirty-six million, eight hundred seventy-two thousand, seven hundred seven".