140407371 has 32 divisors (see below), whose sum is σ = 224913920. Its totient is φ = 86056992.

The previous prime is 140407367. The next prime is 140407447. The reversal of 140407371 is 173704041.

140407371 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 140407371 - 2² = 140407367 is a prime.

It is a super-2 number, since 2×140407371² = 39428459662263282, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140407331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107106 + ... + 108408.

It is an arithmetic number, because the mean of its divisors is an integer number (7028560).

Almost surely, 2^140407371 is an apocalyptic number.

140407371 is a deficient number, since it is larger than the sum of its proper divisors (84506549).

140407371 is a wasteful number, since it uses less digits than its factorization.

140407371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632 (or 1626 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 140407371 is about 11849.3616283748. The cubic root of 140407371 is about 519.7525585560.

The spelling of 140407371 in words is "one hundred forty million, four hundred seven thousand, three hundred seventy-one".