190139732 has 6 divisors (see below), whose sum is σ = 332744538. Its totient is φ = 95069864.

The previous prime is 190139731. The next prime is 190139743. The reversal of 190139732 is 237931091.

190139732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 150651076 + 39488656 = 12274^2 + 6284^2 .

It is a junction number, because it is equal to n+sod(n) for n = 190139692 and 190139701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190139731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23767463 + ... + 23767470.

It is an arithmetic number, because the mean of its divisors is an integer number (55457423).

Almost surely, 2^190139732 is an apocalyptic number.

It is an amenable number.

190139732 is a deficient number, since it is larger than the sum of its proper divisors (142604806).

190139732 is a wasteful number, since it uses less digits than its factorization.

190139732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47534937 (or 47534935 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 190139732 is about 13789.1164328974. The cubic root of 190139732 is about 575.0306040422.

The spelling of 190139732 in words is "one hundred ninety million, one hundred thirty-nine thousand, seven hundred thirty-two".