140087940 has 48 divisors (see below), whose sum is σ = 409304448. Its totient is φ = 35732224.

The previous prime is 140087933. The next prime is 140087947. The reversal of 140087940 is 49780041.

140087940 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (140087933) and next prime (140087947).

It is not an unprimeable number, because it can be changed into a prime (140087947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49377 + ... + 52136.

It is an arithmetic number, because the mean of its divisors is an integer number (8527176).

Almost surely, 2^140087940 is an apocalyptic number.

140087940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140087940 is an abundant number, since it is smaller than the sum of its proper divisors (269216508).

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

140087940 is a wasteful number, since it uses less digits than its factorization.

140087940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101548 (or 101546 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 140087940 is about 11835.8751260733. The cubic root of 140087940 is about 519.3581083650.

The spelling of 140087940 in words is "one hundred forty million, eighty-seven thousand, nine hundred forty".