136312651 has 4 divisors (see below), whose sum is σ = 142239312. Its totient is φ = 130385992.

The previous prime is 136312621. The next prime is 136312663. The reversal of 136312651 is 156213631.

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 136312651 - 2⁷ = 136312523 is a prime.

It is a super-2 number, since 2×136312651² = 37162277645295602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136312601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2963296 + ... + 2963341.

It is an arithmetic number, because the mean of its divisors is an integer number (35559828).

Almost surely, 2^136312651 is an apocalyptic number.

136312651 is a deficient number, since it is larger than the sum of its proper divisors (5926661).

136312651 is an equidigital number, since it uses as much as digits as its factorization.

136312651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5926660.

The product of its digits is 3240, while the sum is 28.

The square root of 136312651 is about 11675.3008954802. The cubic root of 136312651 is about 514.6500919090.

The spelling of 136312651 in words is "one hundred thirty-six million, three hundred twelve thousand, six hundred fifty-one".