129325269542 has 16 divisors (see below), whose sum is σ = 221708820480. Its totient is φ = 55423025928.

The previous prime is 129325269503. The next prime is 129325269551. The reversal of 129325269542 is 245962523921.

129325269542 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×129325269542² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245309 + ... + 564647.

It is an arithmetic number, because the mean of its divisors is an integer number (13856801280).

Almost surely, 2^129325269542 is an apocalyptic number.

129325269542 is a deficient number, since it is larger than the sum of its proper divisors (92383550938).

129325269542 is a wasteful number, since it uses less digits than its factorization.

129325269542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348275.

The product of its digits is 2332800, while the sum is 50.

The spelling of 129325269542 in words is "one hundred twenty-nine billion, three hundred twenty-five million, two hundred sixty-nine thousand, five hundred forty-two".