1137999503 has 4 divisors (see below), whose sum is σ = 1152404640. Its totient is φ = 1123594368.

The previous prime is 1137999437. The next prime is 1137999521. The reversal of 1137999503 is 3059997311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3059997311 = 7 ⋅437142473.

It is a cyclic number.

It is not a de Polignac number, because 1137999503 - 2³⁰ = 64257679 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 (1137999523) 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, 7202450 + ... + 7202607.

It is an arithmetic number, because the mean of its divisors is an integer number (288101160).

Almost surely, 2^1137999503 is an apocalyptic number.

1137999503 is a deficient number, since it is larger than the sum of its proper divisors (14405137).

1137999503 is an equidigital number, since it uses as much as digits as its factorization.

1137999503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14405136.

The product of its (nonzero) digits is 229635, while the sum is 47.

The square root of 1137999503 is about 33734.2482204658. The cubic root of 1137999503 is about 1044.0325143522.

The spelling of 1137999503 in words is "one billion, one hundred thirty-seven million, nine hundred ninety-nine thousand, five hundred three".