129962154239 has 8 divisors (see below), whose sum is σ = 136818294000. Its totient is φ = 123107617152.

The previous prime is 129962154229. The next prime is 129962154263. The reversal of 129962154239 is 932451269921.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129962154239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129962154209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232394 + ... + 560295.

It is an arithmetic number, because the mean of its divisors is an integer number (17102286750).

Almost surely, 2^129962154239 is an apocalyptic number.

129962154239 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

129962154239 is a deficient number, since it is larger than the sum of its proper divisors (6856139761).

129962154239 is an equidigital number, since it uses as much as digits as its factorization.

129962154239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801337.

The product of its digits is 2099520, while the sum is 53.

The spelling of 129962154239 in words is "one hundred twenty-nine billion, nine hundred sixty-two million, one hundred fifty-four thousand, two hundred thirty-nine".