1139802663 has 8 divisors (see below), whose sum is σ = 1519934976. Its totient is φ = 759769400.

The previous prime is 1139802617. The next prime is 1139802667. The reversal of 1139802663 is 3662089311.

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 1139802663 - 2¹³ = 1139794471 is a prime.

It is a super-2 number, since 2×1139802663² = 2598300221163783138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139802667) 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, 8458 + ... + 48488.

It is an arithmetic number, because the mean of its divisors is an integer number (189991872).

Almost surely, 2^1139802663 is an apocalyptic number.

1139802663 is a deficient number, since it is larger than the sum of its proper divisors (380132313).

1139802663 is an equidigital number, since it uses as much as digits as its factorization.

1139802663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49525.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 1139802663 is about 33760.9635970302. The cubic root of 1139802663 is about 1044.5836464730.

The spelling of 1139802663 in words is "one billion, one hundred thirty-nine million, eight hundred two thousand, six hundred sixty-three".