1137275797 has 8 divisors (see below), whose sum is σ = 1303898816. Its totient is φ = 971691552.

The previous prime is 1137275773. The next prime is 1137275801. The reversal of 1137275797 is 7975727311.

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 1137275797 - 2¹⁹ = 1136751509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1137275797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1137275717) 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, 257343 + ... + 261724.

It is an arithmetic number, because the mean of its divisors is an integer number (162987352).

Almost surely, 2^1137275797 is an apocalyptic number.

It is an amenable number.

1137275797 is a deficient number, since it is larger than the sum of its proper divisors (166623019).

1137275797 is an equidigital number, since it uses as much as digits as its factorization.

1137275797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519387.

The product of its digits is 648270, while the sum is 49.

The square root of 1137275797 is about 33723.5199378713. The cubic root of 1137275797 is about 1043.8111513911.

The spelling of 1137275797 in words is "one billion, one hundred thirty-seven million, two hundred seventy-five thousand, seven hundred ninety-seven".