136620406 has 16 divisors (see below), whose sum is σ = 222055344. Its totient is φ = 62666784.

The previous prime is 136620389. The next prime is 136620413. The reversal of 136620406 is 604026631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11881 + ... + 20356.

It is an arithmetic number, because the mean of its divisors is an integer number (13878459).

Almost surely, 2^136620406 is an apocalyptic number.

136620406 is a deficient number, since it is larger than the sum of its proper divisors (85434938).

136620406 is a wasteful number, since it uses less digits than its factorization.

136620406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32415.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 136620406 is about 11688.4732108176. The cubic root of 136620406 is about 515.0371117253.

It can be divided in two parts, 136620 and 406, that added together give a triangular number (137026 = T₅₂₃).

The spelling of 136620406 in words is "one hundred thirty-six million, six hundred twenty thousand, four hundred six".