140837472 has 36 divisors (see below), whose sum is σ = 400507380. Its totient is φ = 46945728.

The previous prime is 140837461. The next prime is 140837491. The reversal of 140837472 is 274738041.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 244222 + ... + 244797.

It is an arithmetic number, because the mean of its divisors is an integer number (11125205).

Almost surely, 2^140837472 is an apocalyptic number.

140837472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140837472 is an abundant number, since it is smaller than the sum of its proper divisors (259669908).

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

140837472 is a wasteful number, since it uses less digits than its factorization.

140837472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489035 (or 489024 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 140837472 is about 11867.4964503892. The cubic root of 140837472 is about 520.2827259374.

The spelling of 140837472 in words is "one hundred forty million, eight hundred thirty-seven thousand, four hundred seventy-two".