125136140 has 24 divisors (see below), whose sum is σ = 264682320. Its totient is φ = 49693248.

The previous prime is 125136139. The next prime is 125136161. The reversal of 125136140 is 41631521.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19727 + ... + 25286.

It is an arithmetic number, because the mean of its divisors is an integer number (11028430).

Almost surely, 2^125136140 is an apocalyptic number.

125136140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125136140 is an abundant number, since it is smaller than the sum of its proper divisors (139546180).

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

125136140 is a wasteful number, since it uses less digits than its factorization.

125136140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45161 (or 45159 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 125136140 is about 11186.4265965499. The cubic root of 125136140 is about 500.1814541408.

Adding to 125136140 its reverse (41631521), we get a palindrome (166767661).

The spelling of 125136140 in words is "one hundred twenty-five million, one hundred thirty-six thousand, one hundred forty".