190029081 has 16 divisors (see below), whose sum is σ = 279740160. Its totient is φ = 113779920.

The previous prime is 190029071. The next prime is 190029107. The reversal of 190029081 is 180920091.

It is a de Polignac number, because none of the positive numbers 2^k-190029081 is a prime.

It is a super-2 number, since 2×190029081² = 72222103251409122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (190029011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31951 + ... + 37428.

It is an arithmetic number, because the mean of its divisors is an integer number (17483760).

Almost surely, 2^190029081 is an apocalyptic number.

190029081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

190029081 is a deficient number, since it is larger than the sum of its proper divisors (89711079).

190029081 is a wasteful number, since it uses less digits than its factorization.

190029081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69476.

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 190029081 is about 13785.1035904704. The cubic root of 190029081 is about 574.9190368677.

The spelling of 190029081 in words is "one hundred ninety million, twenty-nine thousand, eighty-one".