1137657503 has 4 divisors (see below), whose sum is σ = 1156307688. Its totient is φ = 1119007320.

The previous prime is 1137657497. The next prime is 1137657551. The reversal of 1137657503 is 3057567311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3057567311 = 67 ⋅45635333.

It is a cyclic number.

It is not a de Polignac number, because 1137657503 - 2⁶ = 1137657439 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 (1137657583) 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, 9325001 + ... + 9325122.

It is an arithmetic number, because the mean of its divisors is an integer number (289076922).

Almost surely, 2^1137657503 is an apocalyptic number.

1137657503 is a deficient number, since it is larger than the sum of its proper divisors (18650185).

1137657503 is an equidigital number, since it uses as much as digits as its factorization.

1137657503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18650184.

The product of its (nonzero) digits is 66150, while the sum is 38.

The square root of 1137657503 is about 33729.1788070804. The cubic root of 1137657503 is about 1043.9279170908.

The spelling of 1137657503 in words is "one billion, one hundred thirty-seven million, six hundred fifty-seven thousand, five hundred three".