140748972 has 72 divisors (see below), whose sum is σ = 411442416. Its totient is φ = 37118592.

The previous prime is 140748929. The next prime is 140748991. The reversal of 140748972 is 279847041.

It is a happy number.

140748972 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1563 + ... + 16850.

It is an arithmetic number, because the mean of its divisors is an integer number (5714478).

Almost surely, 2^140748972 is an apocalyptic number.

140748972 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 140748972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205721208).

140748972 is an abundant number, since it is smaller than the sum of its proper divisors (270693444).

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

140748972 is a wasteful number, since it uses less digits than its factorization.

140748972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18447 (or 18438 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 140748972 is about 11863.7671925911. The cubic root of 140748972 is about 520.1737240063.

The spelling of 140748972 in words is "one hundred forty million, seven hundred forty-eight thousand, nine hundred seventy-two".