136620436 has 12 divisors (see below), whose sum is σ = 241407712. Its totient is φ = 67646808.

The previous prime is 136620433. The next prime is 136620457. The reversal of 136620436 is 634026631.

It is a junction number, because it is equal to n+sod(n) for n = 136620398 and 136620407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136620433) 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, 165390 + ... + 166213.

Almost surely, 2^136620436 is an apocalyptic number.

It is an amenable number.

136620436 is a deficient number, since it is larger than the sum of its proper divisors (104787276).

136620436 is a wasteful number, since it uses less digits than its factorization.

136620436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331710 (or 331708 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 136620436 is about 11688.4744941331. The cubic root of 136620436 is about 515.0371494237.

The spelling of 136620436 in words is "one hundred thirty-six million, six hundred twenty thousand, four hundred thirty-six".