1397518167 has 12 divisors (see below), whose sum is σ = 1979415656. Its totient is φ = 876873600.

The previous prime is 1397518127. The next prime is 1397518183. The reversal of 1397518167 is 7618157931.

It is not a de Polignac number, because 1397518167 - 2¹⁶ = 1397452631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397518117) 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, 805084 + ... + 806817.

Almost surely, 2^1397518167 is an apocalyptic number.

1397518167 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1397518167 is a deficient number, since it is larger than the sum of its proper divisors (581897489).

1397518167 is a wasteful number, since it uses less digits than its factorization.

1397518167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611938 (or 1611921 counting only the distinct ones).

The product of its digits is 317520, while the sum is 48.

The square root of 1397518167 is about 37383.3942680437. The cubic root of 1397518167 is about 1118.0275036623.

The spelling of 1397518167 in words is "one billion, three hundred ninety-seven million, five hundred eighteen thousand, one hundred sixty-seven".