136723392 has 252 divisors, whose sum is σ = 459044040. Its totient is φ = 38568960.

The previous prime is 136723337. The next prime is 136723417. The reversal of 136723392 is 293327631.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4410417 + ... + 4410447.

Almost surely, 2^136723392 is an apocalyptic number.

136723392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136723392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229522020).

136723392 is an abundant number, since it is smaller than the sum of its proper divisors (322320648).

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

136723392 is a wasteful number, since it uses less digits than its factorization.

136723392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 68 counting only the distinct ones).

The product of its digits is 40824, while the sum is 36.

The square root of 136723392 is about 11692.8778322533. The cubic root of 136723392 is about 515.1664928120.

The spelling of 136723392 in words is "one hundred thirty-six million, seven hundred twenty-three thousand, three hundred ninety-two".