1373400297 has 12 divisors (see below), whose sum is σ = 1984488324. Its totient is φ = 915282720.

The previous prime is 1373400293. The next prime is 1373400317. The reversal of 1373400297 is 7920043731.

It can be written as a sum of positive squares in 2 ways, for example, as 821338281 + 552062016 = 28659^2 + 23496^2 .

It is not a de Polignac number, because 1373400297 - 2² = 1373400293 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1373400293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2623 + ... + 52475.

It is an arithmetic number, because the mean of its divisors is an integer number (165374027).

Almost surely, 2^1373400297 is an apocalyptic number.

It is an amenable number.

1373400297 is a deficient number, since it is larger than the sum of its proper divisors (611088027).

1373400297 is a wasteful number, since it uses less digits than its factorization.

1373400297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52920 (or 52917 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 1373400297 is about 37059.4157671165. The cubic root of 1373400297 is about 1111.5586406521.

The spelling of 1373400297 in words is "one billion, three hundred seventy-three million, four hundred thousand, two hundred ninety-seven".