140665125 has 64 divisors (see below), whose sum is σ = 250159104. Its totient is φ = 70030400.

The previous prime is 140665111. The next prime is 140665153. The reversal of 140665125 is 521566041.

It is not a de Polignac number, because 140665125 - 2¹³ = 140656933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140665092 and 140665101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 405202 + ... + 405548.

It is an arithmetic number, because the mean of its divisors is an integer number (3908736).

Almost surely, 2^140665125 is an apocalyptic number.

140665125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140665125 is a deficient number, since it is larger than the sum of its proper divisors (109493979).

140665125 is a wasteful number, since it uses less digits than its factorization.

140665125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 140665125 is about 11860.2329235138. The cubic root of 140665125 is about 520.0704108305.

It can be divided in two parts, 14066 and 5125, that added together give a palindrome (19191).

The spelling of 140665125 in words is "one hundred forty million, six hundred sixty-five thousand, one hundred twenty-five".