146987951940 has 96 divisors (see below), whose sum is σ = 462805580160. Its totient is φ = 38724524928.

The previous prime is 146987951917. The next prime is 146987951953. The reversal of 146987951940 is 49159789641.

146987951940 is a `hidden beast` number, since 1 + 4 + 6 + 9 + 8 + 79 + 519 + 40 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1594939 + ... + 1684578.

It is an arithmetic number, because the mean of its divisors is an integer number (4820891460).

Almost surely, 2^146987951940 is an apocalyptic number.

146987951940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146987951940 is an abundant number, since it is smaller than the sum of its proper divisors (315817628220).

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

146987951940 is a wasteful number, since it uses less digits than its factorization.

146987951940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3279618 (or 3279610 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 63.

The spelling of 146987951940 in words is "one hundred forty-six billion, nine hundred eighty-seven million, nine hundred fifty-one thousand, nine hundred forty".