190131086 has 16 divisors (see below), whose sum is σ = 295816320. Its totient is φ = 91576800.

The previous prime is 190131037. The next prime is 190131089. The reversal of 190131086 is 680131091.

It is a happy number.

It is a super-2 number, since 2×190131086² = 72299659727078792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190131089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5246 + ... + 20193.

It is an arithmetic number, because the mean of its divisors is an integer number (18488520).

Almost surely, 2^190131086 is an apocalyptic number.

190131086 is a deficient number, since it is larger than the sum of its proper divisors (105685234).

190131086 is a wasteful number, since it uses less digits than its factorization.

190131086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25579.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 190131086 is about 13788.8029212111. The cubic root of 190131086 is about 575.0218880137.

The spelling of 190131086 in words is "one hundred ninety million, one hundred thirty-one thousand, eighty-six".