190129012965 has 40 divisors (see below), whose sum is σ = 346411181688. Its totient is φ = 99739797120.

The previous prime is 190129012963. The next prime is 190129013023. The reversal of 190129012965 is 569210921091.

It can be written as a sum of positive squares in 4 ways, for example, as 15423404481 + 174705608484 = 124191^2 + 417978^2 .

It is not a de Polignac number, because 190129012965 - 2¹ = 190129012963 is a prime.

It is a super-2 number, since 2×190129012965² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 190129012965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190129012963) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3823282 + ... + 3872691.

Almost surely, 2^190129012965 is an apocalyptic number.

190129012965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

190129012965 is a deficient number, since it is larger than the sum of its proper divisors (156282168723).

190129012965 is an equidigital number, since it uses as much as digits as its factorization.

190129012965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7696051 (or 7696042 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 45.

The spelling of 190129012965 in words is "one hundred ninety billion, one hundred twenty-nine million, twelve thousand, nine hundred sixty-five".