140489472 has 36 divisors (see below), whose sum is σ = 373908920. Its totient is φ = 46829568.

The previous prime is 140489467. The next prime is 140489473. The reversal of 140489472 is 274984041.

It is a self number, because there is not a number n which added to its sum of digits gives 140489472.

It is not an unprimeable number, because it can be changed into a prime (140489473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90697 + ... + 92232.

Almost surely, 2^140489472 is an apocalyptic number.

140489472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140489472 is an abundant number, since it is smaller than the sum of its proper divisors (233419448).

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

140489472 is an equidigital number, since it uses as much as digits as its factorization.

140489472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182948 (or 182934 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 140489472 is about 11852.8254859337. The cubic root of 140489472 is about 519.8538445258.

The spelling of 140489472 in words is "one hundred forty million, four hundred eighty-nine thousand, four hundred seventy-two".