136969672 has 16 divisors (see below), whose sum is σ = 293506560. Its totient is φ = 58701264.

The previous prime is 136969667. The next prime is 136969691. The reversal of 136969672 is 276969631.

136969672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1222888 + ... + 1222999.

It is an arithmetic number, because the mean of its divisors is an integer number (18344160).

Almost surely, 2^136969672 is an apocalyptic number.

It is an amenable number.

136969672 is an abundant number, since it is smaller than the sum of its proper divisors (156536888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136969672 is a wasteful number, since it uses less digits than its factorization.

136969672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445900 (or 2445896 counting only the distinct ones).

The product of its digits is 734832, while the sum is 49.

The square root of 136969672 is about 11703.4042910599. The cubic root of 136969672 is about 515.4756305974.

It can be divided in two parts, 136969 and 672, that added together give a square (137641 = 371²).

The spelling of 136969672 in words is "one hundred thirty-six million, nine hundred sixty-nine thousand, six hundred seventy-two".