136723252 has 24 divisors (see below), whose sum is σ = 245452032. Its totient is φ = 66612000.

The previous prime is 136723241. The next prime is 136723253. The reversal of 136723252 is 252327631.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136723253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29877 + ... + 34147.

It is an arithmetic number, because the mean of its divisors is an integer number (10227168).

Almost surely, 2^136723252 is an apocalyptic number.

It is an amenable number.

136723252 is a deficient number, since it is larger than the sum of its proper divisors (108728780).

136723252 is a wasteful number, since it uses less digits than its factorization.

136723252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4479 (or 4477 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 136723252 is about 11692.8718457016. The cubic root of 136723252 is about 515.1663169744.

The spelling of 136723252 in words is "one hundred thirty-six million, seven hundred twenty-three thousand, two hundred fifty-two".