139126412629 has 4 divisors (see below), whose sum is σ = 140426659584. Its totient is φ = 137826165676.

The previous prime is 139126412563. The next prime is 139126412639. The reversal of 139126412629 is 926214621931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 139126412629 - 2²³ = 139118024021 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 (139126412639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650123317 + ... + 650123530.

It is an arithmetic number, because the mean of its divisors is an integer number (35106664896).

Almost surely, 2^139126412629 is an apocalyptic number.

It is an amenable number.

139126412629 is a deficient number, since it is larger than the sum of its proper divisors (1300246955).

139126412629 is a wasteful number, since it uses less digits than its factorization.

139126412629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300246954.

The product of its digits is 279936, while the sum is 46.

The spelling of 139126412629 in words is "one hundred thirty-nine billion, one hundred twenty-six million, four hundred twelve thousand, six hundred twenty-nine".