1373400052 has 12 divisors (see below), whose sum is σ = 2404956960. Its totient is φ = 686269496.

The previous prime is 1373400023. The next prime is 1373400059. The reversal of 1373400052 is 2500043731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373400059) 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, 100402 + ... + 113257.

It is an arithmetic number, because the mean of its divisors is an integer number (200413080).

Almost surely, 2^1373400052 is an apocalyptic number.

It is an amenable number.

1373400052 is a deficient number, since it is larger than the sum of its proper divisors (1031556908).

1373400052 is a wasteful number, since it uses less digits than its factorization.

1373400052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215270 (or 215268 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 1373400052 is about 37059.4124616136. The cubic root of 1373400052 is about 1111.5585745554.

Adding to 1373400052 its reverse (2500043731), we get a palindrome (3873443783).

The spelling of 1373400052 in words is "one billion, three hundred seventy-three million, four hundred thousand, fifty-two".