146521931928 has 32 divisors (see below), whose sum is σ = 367096012800. Its totient is φ = 48735152928.

The previous prime is 146521931903. The next prime is 146521931947. The reversal of 146521931928 is 829139125641.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6581848 + ... + 6604071.

It is an arithmetic number, because the mean of its divisors is an integer number (11471750400).

Almost surely, 2^146521931928 is an apocalyptic number.

It is an amenable number.

146521931928 is an abundant number, since it is smaller than the sum of its proper divisors (220574080872).

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

146521931928 is a wasteful number, since it uses less digits than its factorization.

146521931928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13186391 (or 13186387 counting only the distinct ones).

The product of its digits is 933120, while the sum is 51.

The spelling of 146521931928 in words is "one hundred forty-six billion, five hundred twenty-one million, nine hundred thirty-one thousand, nine hundred twenty-eight".