136720374 has 16 divisors (see below), whose sum is σ = 312503808. Its totient is φ = 39062952.

The previous prime is 136720373. The next prime is 136720391. The reversal of 136720374 is 473027631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136720373) 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, 1627582 + ... + 1627665.

It is an arithmetic number, because the mean of its divisors is an integer number (19531488).

Almost surely, 2^136720374 is an apocalyptic number.

136720374 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

136720374 is an abundant number, since it is smaller than the sum of its proper divisors (175783434).

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

136720374 is a wasteful number, since it uses less digits than its factorization.

136720374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3255259.

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 136720374 is about 11692.7487786234. The cubic root of 136720374 is about 515.1627022295.

The spelling of 136720374 in words is "one hundred thirty-six million, seven hundred twenty thousand, three hundred seventy-four".