190138672 has 10 divisors (see below), whose sum is σ = 368393708. Its totient is φ = 95069328.

The previous prime is 190138657. The next prime is 190138699. The reversal of 190138672 is 276831091.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5941818 + ... + 5941849.

Almost surely, 2^190138672 is an apocalyptic number.

It is an amenable number.

190138672 is a deficient number, since it is larger than the sum of its proper divisors (178255036).

190138672 is a wasteful number, since it uses less digits than its factorization.

190138672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11883675 (or 11883669 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 190138672 is about 13789.0779967335. The cubic root of 190138672 is about 575.0295354709.

The spelling of 190138672 in words is "one hundred ninety million, one hundred thirty-eight thousand, six hundred seventy-two".