190512642 has 16 divisors (see below), whose sum is σ = 403438752. Its totient is φ = 59768640.

The previous prime is 190512631. The next prime is 190512653. The reversal of 190512642 is 246215091.

It is an interprime number because it is at equal distance from previous prime (190512631) and next prime (190512653).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 933784 + ... + 933987.

It is an arithmetic number, because the mean of its divisors is an integer number (25214922).

Almost surely, 2^190512642 is an apocalyptic number.

190512642 is an abundant number, since it is smaller than the sum of its proper divisors (212926110).

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

190512642 is a wasteful number, since it uses less digits than its factorization.

190512642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867793.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 190512642 is about 13802.6317055843. The cubic root of 190512642 is about 575.4062832453.

The spelling of 190512642 in words is "one hundred ninety million, five hundred twelve thousand, six hundred forty-two".