136698406 has 24 divisors (see below), whose sum is σ = 228215232. Its totient is φ = 61045200.

The previous prime is 136698403. The next prime is 136698433. The reversal of 136698406 is 604896631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136698403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22251 + ... + 27721.

It is an arithmetic number, because the mean of its divisors is an integer number (9508968).

Almost surely, 2^136698406 is an apocalyptic number.

136698406 is a deficient number, since it is larger than the sum of its proper divisors (91516826).

136698406 is a wasteful number, since it uses less digits than its factorization.

136698406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5548 (or 5517 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 136698406 is about 11691.8093552709. The cubic root of 136698406 is about 515.1351089257.

The spelling of 136698406 in words is "one hundred thirty-six million, six hundred ninety-eight thousand, four hundred six".