136632671 has 4 divisors (see below), whose sum is σ = 156151632. Its totient is φ = 117113712.

The previous prime is 136632653. The next prime is 136632677. The reversal of 136632671 is 176236631.

136632671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 176236631 = 2617 ⋅67343.

It is a cyclic number.

It is not a de Polignac number, because 136632671 - 2²² = 132438367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136632677) 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, 9759470 + ... + 9759483.

It is an arithmetic number, because the mean of its divisors is an integer number (39037908).

Almost surely, 2^136632671 is an apocalyptic number.

136632671 is a deficient number, since it is larger than the sum of its proper divisors (19518961).

136632671 is an equidigital number, since it uses as much as digits as its factorization.

136632671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19518960.

The product of its digits is 27216, while the sum is 35.

The square root of 136632671 is about 11688.9978612369. The cubic root of 136632671 is about 515.0525236279.

The spelling of 136632671 in words is "one hundred thirty-six million, six hundred thirty-two thousand, six hundred seventy-one".