136929651 has 4 divisors (see below), whose sum is σ = 182572872. Its totient is φ = 91286432.

The previous prime is 136929643. The next prime is 136929691. The reversal of 136929651 is 156929631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 136929651 - 2³ = 136929643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136929641) 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, 22821606 + ... + 22821611.

It is an arithmetic number, because the mean of its divisors is an integer number (45643218).

Almost surely, 2^136929651 is an apocalyptic number.

136929651 is a deficient number, since it is larger than the sum of its proper divisors (45643221).

136929651 is an equidigital number, since it uses as much as digits as its factorization.

136929651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45643220.

The product of its digits is 87480, while the sum is 42.

The square root of 136929651 is about 11701.6943644927. The cubic root of 136929651 is about 515.4254203100.

The spelling of 136929651 in words is "one hundred thirty-six million, nine hundred twenty-nine thousand, six hundred fifty-one".