140125407 has 24 divisors (see below), whose sum is σ = 207129216. Its totient is φ = 84087168.

The previous prime is 140125397. The next prime is 140125409. The reversal of 140125407 is 704521041.

140125407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140125407 - 2¹⁸ = 139863263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140125409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16428 + ... + 23454.

It is an arithmetic number, because the mean of its divisors is an integer number (8630384).

Almost surely, 2^140125407 is an apocalyptic number.

140125407 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

140125407 is a deficient number, since it is larger than the sum of its proper divisors (67003809).

140125407 is a wasteful number, since it uses less digits than its factorization.

140125407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7087 (or 7070 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 140125407 is about 11837.4577929554. The cubic root of 140125407 is about 519.4044056069.

Adding to 140125407 its reverse (704521041), we get a palindrome (844646448).

The spelling of 140125407 in words is "one hundred forty million, one hundred twenty-five thousand, four hundred seven".