140129925 has 48 divisors (see below), whose sum is σ = 252150528. Its totient is φ = 68256000.

The previous prime is 140129917. The next prime is 140129939. The reversal of 140129925 is 529921041.

It is not a de Polignac number, because 140129925 - 2³ = 140129917 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 97764 + ... + 99186.

It is an arithmetic number, because the mean of its divisors is an integer number (5253136).

Almost surely, 2^140129925 is an apocalyptic number.

140129925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140129925 is a deficient number, since it is larger than the sum of its proper divisors (112020603).

140129925 is a wasteful number, since it uses less digits than its factorization.

140129925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550 (or 1545 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 140129925 is about 11837.6486263109. The cubic root of 140129925 is about 519.4099878538.

The spelling of 140129925 in words is "one hundred forty million, one hundred twenty-nine thousand, nine hundred twenty-five".