1397118759 has 24 divisors (see below), whose sum is σ = 1910918016. Its totient is φ = 907788000.

The previous prime is 1397118731. The next prime is 1397118791. The reversal of 1397118759 is 9578117931.

It is not a de Polignac number, because 1397118759 - 2¹³ = 1397110567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397118559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2172492 + ... + 2173134.

It is an arithmetic number, because the mean of its divisors is an integer number (79621584).

Almost surely, 2^1397118759 is an apocalyptic number.

1397118759 is a deficient number, since it is larger than the sum of its proper divisors (513799257).

1397118759 is an equidigital number, since it uses as much as digits as its factorization.

1397118759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919 (or 818 counting only the distinct ones).

The product of its digits is 476280, while the sum is 51.

The square root of 1397118759 is about 37378.0518352682. The cubic root of 1397118759 is about 1117.9209834783.

The spelling of 1397118759 in words is "one billion, three hundred ninety-seven million, one hundred eighteen thousand, seven hundred fifty-nine".