1139616406 has 4 divisors (see below), whose sum is σ = 1709424612. Its totient is φ = 569808202.

The previous prime is 1139616349. The next prime is 1139616419. The reversal of 1139616406 is 6046169311.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284904100 + ... + 284904103.

It is an arithmetic number, because the mean of its divisors is an integer number (427356153).

Almost surely, 2^1139616406 is an apocalyptic number.

1139616406 is a deficient number, since it is larger than the sum of its proper divisors (569808206).

1139616406 is an equidigital number, since it uses as much as digits as its factorization.

1139616406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569808205.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 1139616406 is about 33758.2050174472. The cubic root of 1139616406 is about 1044.5267443380.

The spelling of 1139616406 in words is "one billion, one hundred thirty-nine million, six hundred sixteen thousand, four hundred six".