189380131029 has 32 divisors (see below), whose sum is σ = 284089852800. Its totient is φ = 126225440208.

The previous prime is 189380131001. The next prime is 189380131079. The reversal of 189380131029 is 920131083981.

It is not a de Polignac number, because 189380131029 - 2⁹ = 189380130517 is a prime.

It is a super-2 number, since 2×189380131029² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189380131079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15856342 + ... + 15868280.

It is an arithmetic number, because the mean of its divisors is an integer number (8877807900).

Almost surely, 2^189380131029 is an apocalyptic number.

It is an amenable number.

189380131029 is a deficient number, since it is larger than the sum of its proper divisors (94709721771).

189380131029 is an frugal number, since it uses more digits than its factorization.

189380131029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19213 (or 19195 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The spelling of 189380131029 in words is "one hundred eighty-nine billion, three hundred eighty million, one hundred thirty-one thousand, twenty-nine".