190129688 has 16 divisors (see below), whose sum is σ = 407420880. Its totient is φ = 81484128.

The previous prime is 190129651. The next prime is 190129697. The reversal of 190129688 is 886921091.

It is a super-2 number, since 2×190129688² = 72298596517954688, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1697531 + ... + 1697642.

It is an arithmetic number, because the mean of its divisors is an integer number (25463805).

Almost surely, 2^190129688 is an apocalyptic number.

It is an amenable number.

190129688 is an abundant number, since it is smaller than the sum of its proper divisors (217291192).

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

190129688 is a wasteful number, since it uses less digits than its factorization.

190129688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3395186 (or 3395182 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 44.

The square root of 190129688 is about 13788.7522278123. The cubic root of 190129688 is about 575.0204786657.

The spelling of 190129688 in words is "one hundred ninety million, one hundred twenty-nine thousand, six hundred eighty-eight".