129942702462 has 16 divisors (see below), whose sum is σ = 259890287760. Its totient is φ = 43313420352.

The previous prime is 129942702437. The next prime is 129942702473. The reversal of 129942702462 is 264207249921.

It is a super-2 number, since 2×129942702462² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205848 + ... + 549780.

It is an arithmetic number, because the mean of its divisors is an integer number (16243142985).

Almost surely, 2^129942702462 is an apocalyptic number.

129942702462 is an abundant number, since it is smaller than the sum of its proper divisors (129947585298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129942702462 is a wasteful number, since it uses less digits than its factorization.

129942702462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406907.

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 129942702462 in words is "one hundred twenty-nine billion, nine hundred forty-two million, seven hundred two thousand, four hundred sixty-two".