140837952 has 56 divisors (see below), whose sum is σ = 381743712. Its totient is φ = 45798400.

The previous prime is 140837941. The next prime is 140837971. The reversal of 140837952 is 259738041.

It is a self number, because there is not a number n which added to its sum of digits gives 140837952.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1074 + ... + 16817.

It is an arithmetic number, because the mean of its divisors is an integer number (6816852).

Almost surely, 2^140837952 is an apocalyptic number.

140837952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140837952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190871856).

140837952 is an abundant number, since it is smaller than the sum of its proper divisors (240905760).

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

140837952 is a wasteful number, since it uses less digits than its factorization.

140837952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17947 (or 17937 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 140837952 is about 11867.5166736769. The cubic root of 140837952 is about 520.2833170098.

The spelling of 140837952 in words is "one hundred forty million, eight hundred thirty-seven thousand, nine hundred fifty-two".