136703925 has 18 divisors (see below), whose sum is σ = 244852322. Its totient is φ = 72908640.

The previous prime is 136703921. The next prime is 136703933. The reversal of 136703925 is 529307631.

It can be written as a sum of positive squares in 3 ways, for example, as 39050001 + 97653924 = 6249^2 + 9882^2 .

It is not a de Polignac number, because 136703925 - 2² = 136703921 is a prime.

It is a super-2 number, since 2×136703925² = 37375926220811250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 136703925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136703921) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 303562 + ... + 304011.

Almost surely, 2^136703925 is an apocalyptic number.

136703925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136703925 is a deficient number, since it is larger than the sum of its proper divisors (108148397).

136703925 is a wasteful number, since it uses less digits than its factorization.

136703925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607589 (or 607581 counting only the distinct ones).

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

The square root of 136703925 is about 11692.0453728165. The cubic root of 136703925 is about 515.1420414435.

The spelling of 136703925 in words is "one hundred thirty-six million, seven hundred three thousand, nine hundred twenty-five".