190129464 has 128 divisors (see below), whose sum is σ = 618508800. Its totient is φ = 52980480.

The previous prime is 190129427. The next prime is 190129483. The reversal of 190129464 is 464921091.

It is a happy number.

190129464 is a `hidden beast` number, since 190 + 1 + 2 + 9 + 464 = 666.

It is a super-2 number, since 2×190129464² = 72298426161854592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60459 + ... + 63525.

It is an arithmetic number, because the mean of its divisors is an integer number (4832100).

Almost surely, 2^190129464 is an apocalyptic number.

190129464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190129464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309254400).

190129464 is an abundant number, since it is smaller than the sum of its proper divisors (428379336).

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

190129464 is a wasteful number, since it uses less digits than its factorization.

190129464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3130 (or 3120 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 190129464 is about 13788.7441052476. The cubic root of 190129464 is about 575.0202528468.

The spelling of 190129464 in words is "one hundred ninety million, one hundred twenty-nine thousand, four hundred sixty-four".