129057393574 has 8 divisors (see below), whose sum is σ = 193587665688. Its totient is φ = 64528171680.

The previous prime is 129057393571. The next prime is 129057393623. The reversal of 129057393574 is 475393750921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×129057393574² (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 (129057393571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227889 + ... + 556819.

It is an arithmetic number, because the mean of its divisors is an integer number (24198458211).

Almost surely, 2^129057393574 is an apocalyptic number.

129057393574 is a deficient number, since it is larger than the sum of its proper divisors (64530272114).

129057393574 is a wasteful number, since it uses less digits than its factorization.

129057393574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525110.

The product of its (nonzero) digits is 7144200, while the sum is 55.

The spelling of 129057393574 in words is "one hundred twenty-nine billion, fifty-seven million, three hundred ninety-three thousand, five hundred seventy-four".