1373117355 has 12 divisors (see below), whose sum is σ = 2380070160. Its totient is φ = 732329232.

The previous prime is 1373117341. The next prime is 1373117357. The reversal of 1373117355 is 5537113731.

1373117355 = 3122² + 3123² + ... + 3256².

It is not a de Polignac number, because 1373117355 - 2¹³ = 1373109163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1373117357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15256815 + ... + 15256904.

It is an arithmetic number, because the mean of its divisors is an integer number (198339180).

Almost surely, 2^1373117355 is an apocalyptic number.

1373117355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1373117355 is a deficient number, since it is larger than the sum of its proper divisors (1006952805).

1373117355 is a wasteful number, since it uses less digits than its factorization.

1373117355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30513730 (or 30513727 counting only the distinct ones).

The product of its digits is 33075, while the sum is 36.

The square root of 1373117355 is about 37055.5981600621. The cubic root of 1373117355 is about 1111.4823025721.

The spelling of 1373117355 in words is "one billion, three hundred seventy-three million, one hundred seventeen thousand, three hundred fifty-five".