199140732 has 36 divisors (see below), whose sum is σ = 575296176. Its totient is φ = 56897280.

The previous prime is 199140727. The next prime is 199140787. The reversal of 199140732 is 237041991.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×199140732² = 79314062282991648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 394869 + ... + 395372.

Almost surely, 2^199140732 is an apocalyptic number.

199140732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

199140732 is an abundant number, since it is smaller than the sum of its proper divisors (376155444).

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

199140732 is a wasteful number, since it uses less digits than its factorization.

199140732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790258 (or 790253 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 199140732 is about 14111.7232115713. The cubic root of 199140732 is about 583.9648404116.

The spelling of 199140732 in words is "one hundred ninety-nine million, one hundred forty thousand, seven hundred thirty-two".