1239630118639 has 8 divisors (see below), whose sum is σ = 1355461413120. Its totient is φ = 1124321765400.

The previous prime is 1239630118627. The next prime is 1239630118667. The reversal of 1239630118639 is 9368110369321.

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

It is a cyclic number.

It is not a de Polignac number, because 1239630118639 - 2¹³ = 1239630110447 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 (1239630118609) 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, 130730349 + ... + 130739830.

It is an arithmetic number, because the mean of its divisors is an integer number (169432676640).

Almost surely, 2^{1239630118639} is an apocalyptic number.

1239630118639 is a deficient number, since it is larger than the sum of its proper divisors (115831294481).

1239630118639 is a wasteful number, since it uses less digits than its factorization.

1239630118639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261470621.

The product of its (nonzero) digits is 1259712, while the sum is 52.

The spelling of 1239630118639 in words is "one trillion, two hundred thirty-nine billion, six hundred thirty million, one hundred eighteen thousand, six hundred thirty-nine".