190139630958 has 32 divisors (see below), whose sum is σ = 447387369120. Its totient is φ = 59651648640.

The previous prime is 190139630929. The next prime is 190139630977. The reversal of 190139630958 is 859036931091.

190139630958 is a `hidden beast` number, since 190 + 13 + 96 + 309 + 58 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103560973 + ... + 103562808.

It is an arithmetic number, because the mean of its divisors is an integer number (13980855285).

Almost surely, 2^190139630958 is an apocalyptic number.

190139630958 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

190139630958 is an abundant number, since it is smaller than the sum of its proper divisors (257247738162).

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

190139630958 is a wasteful number, since it uses less digits than its factorization.

190139630958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207123809 (or 207123803 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 54.

The spelling of 190139630958 in words is "one hundred ninety billion, one hundred thirty-nine million, six hundred thirty thousand, nine hundred fifty-eight".