1397196053 has 4 divisors (see below), whose sum is σ = 1524213888. Its totient is φ = 1270178220.

The previous prime is 1397196043. The next prime is 1397196061. The reversal of 1397196053 is 3506917931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1397196053 - 2⁴ = 1397196037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1397195995 and 1397196013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397196043) 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, 63508901 + ... + 63508922.

It is an arithmetic number, because the mean of its divisors is an integer number (381053472).

Almost surely, 2^1397196053 is an apocalyptic number.

It is an amenable number.

1397196053 is a deficient number, since it is larger than the sum of its proper divisors (127017835).

1397196053 is a wasteful number, since it uses less digits than its factorization.

1397196053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127017834.

The product of its (nonzero) digits is 153090, while the sum is 44.

The square root of 1397196053 is about 37379.0857699864. The cubic root of 1397196053 is about 1117.9415989988.

The spelling of 1397196053 in words is "one billion, three hundred ninety-seven million, one hundred ninety-six thousand, fifty-three".