190139700 has 36 divisors (see below), whose sum is σ = 550138400. Its totient is φ = 50703840.

The previous prime is 190139693. The next prime is 190139731. The reversal of 190139700 is 7931091.

190139700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 316600 + ... + 317199.

Almost surely, 2^190139700 is an apocalyptic number.

190139700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190139700 is an abundant number, since it is smaller than the sum of its proper divisors (359998700).

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

190139700 is a wasteful number, since it uses less digits than its factorization.

190139700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633816 (or 633809 counting only the distinct ones).

The product of its (nonzero) digits is 1701, while the sum is 30.

The square root of 190139700 is about 13789.1152725619. The cubic root of 190139700 is about 575.0305717835.

The spelling of 190139700 in words is "one hundred ninety million, one hundred thirty-nine thousand, seven hundred".