1139937616 has 20 divisors (see below), whose sum is σ = 2210058324. Its totient is φ = 569600000.

The previous prime is 1139937581. The next prime is 1139937619. The reversal of 1139937616 is 6167399311.

It can be written as a sum of positive squares in 2 ways, for example, as 996033600 + 143904016 = 31560^2 + 11996^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139937619) 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, 3366 + ... + 47866.

Almost surely, 2^1139937616 is an apocalyptic number.

1139937616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1139937616 is a deficient number, since it is larger than the sum of its proper divisors (1070120708).

1139937616 is a wasteful number, since it uses less digits than its factorization.

1139937616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46110 (or 46104 counting only the distinct ones).

The product of its digits is 183708, while the sum is 46.

The square root of 1139937616 is about 33762.9621923196. The cubic root of 1139937616 is about 1044.6248711921.

The spelling of 1139937616 in words is "one billion, one hundred thirty-nine million, nine hundred thirty-seven thousand, six hundred sixteen".