140978352 has 20 divisors (see below), whose sum is σ = 364194200. Its totient is φ = 46992768.

The previous prime is 140978329. The next prime is 140978363. The reversal of 140978352 is 253879041.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 140978352.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1468477 + ... + 1468572.

It is an arithmetic number, because the mean of its divisors is an integer number (18209710).

Almost surely, 2^140978352 is an apocalyptic number.

140978352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140978352 is an abundant number, since it is smaller than the sum of its proper divisors (223215848).

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

140978352 is a wasteful number, since it uses less digits than its factorization.

140978352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2937060 (or 2937054 counting only the distinct ones).

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

The square root of 140978352 is about 11873.4305068080. The cubic root of 140978352 is about 520.4561480698.

The spelling of 140978352 in words is "one hundred forty million, nine hundred seventy-eight thousand, three hundred fifty-two".