136925730 has 24 divisors (see below), whose sum is σ = 356007132. Its totient is φ = 36513504.

The previous prime is 136925687. The next prime is 136925749. The reversal of 136925730 is 37529631.

It can be written as a sum of positive squares in 2 ways, for example, as 132503121 + 4422609 = 11511^2 + 2103^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 760609 + ... + 760788.

Almost surely, 2^136925730 is an apocalyptic number.

136925730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136925730 is an abundant number, since it is smaller than the sum of its proper divisors (219081402).

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

136925730 is a wasteful number, since it uses less digits than its factorization.

136925730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521410 (or 1521407 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 136925730 is about 11701.5268234534. The cubic root of 136925730 is about 515.4205005030.

The spelling of 136925730 in words is "one hundred thirty-six million, nine hundred twenty-five thousand, seven hundred thirty".