1239229621514 has 4 divisors (see below), whose sum is σ = 1858844432274. Its totient is φ = 619614810756.

The previous prime is 1239229621481. The next prime is 1239229621537. The reversal of 1239229621514 is 4151269229321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 998634466489 + 240595155025 = 999317^2 + 490505^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309807405377 + ... + 309807405380.

Almost surely, 2^{1239229621514} is an apocalyptic number.

1239229621514 is a deficient number, since it is larger than the sum of its proper divisors (619614810760).

1239229621514 is an equidigital number, since it uses as much as digits as its factorization.

1239229621514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619614810759.

The product of its digits is 466560, while the sum is 47.

The spelling of 1239229621514 in words is "one trillion, two hundred thirty-nine billion, two hundred twenty-nine million, six hundred twenty-one thousand, five hundred fourteen".