140764216 has 32 divisors (see below), whose sum is σ = 281627280. Its totient is φ = 65728000.

The previous prime is 140764207. The next prime is 140764223. The reversal of 140764216 is 612467041.

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, 13866 + ... + 21766.

Almost surely, 2^140764216 is an apocalyptic number.

It is an amenable number.

140764216 is an abundant number, since it is smaller than the sum of its proper divisors (140863064).

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

140764216 is a wasteful number, since it uses less digits than its factorization.

140764216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8055 (or 8051 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 140764216 is about 11864.4096355445. The cubic root of 140764216 is about 520.1925026917.

The spelling of 140764216 in words is "one hundred forty million, seven hundred sixty-four thousand, two hundred sixteen".