140694540 has 48 divisors (see below), whose sum is σ = 450223872. Its totient is φ = 32158656.

The previous prime is 140694539. The next prime is 140694551. The reversal of 140694540 is 45496041.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167074 + ... + 167913.

It is an arithmetic number, because the mean of its divisors is an integer number (9379664).

Almost surely, 2^140694540 is an apocalyptic number.

140694540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140694540 is an abundant number, since it is smaller than the sum of its proper divisors (309529332).

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

140694540 is a wasteful number, since it uses less digits than its factorization.

140694540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335006 (or 335004 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 140694540 is about 11861.4729270862. The cubic root of 140694540 is about 520.1066595806.

The spelling of 140694540 in words is "one hundred forty million, six hundred ninety-four thousand, five hundred forty".