146931649936 has 20 divisors (see below), whose sum is σ = 285861324364. Its totient is φ = 73160985600.

The previous prime is 146931649861. The next prime is 146931649979. The reversal of 146931649936 is 639946139641.

It can be written as a sum of positive squares in 2 ways, for example, as 88956641536 + 57975008400 = 298256^2 + 240780^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19048485 + ... + 19056196.

Almost surely, 2^146931649936 is an apocalyptic number.

146931649936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

146931649936 is a deficient number, since it is larger than the sum of its proper divisors (138929674428).

146931649936 is a wasteful number, since it uses less digits than its factorization.

146931649936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38104930 (or 38104924 counting only the distinct ones).

The product of its digits is 22674816, while the sum is 61.

The spelling of 146931649936 in words is "one hundred forty-six billion, nine hundred thirty-one million, six hundred forty-nine thousand, nine hundred thirty-six".