1397375112 has 128 divisors (see below), whose sum is σ = 4244486400. Its totient is φ = 375542784.

The previous prime is 1397375101. The next prime is 1397375131. The reversal of 1397375112 is 2115737931.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 824538 + ... + 826230.

It is an arithmetic number, because the mean of its divisors is an integer number (33160050).

Almost surely, 2^1397375112 is an apocalyptic number.

1397375112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1397375112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2122243200).

1397375112 is an abundant number, since it is smaller than the sum of its proper divisors (2847111288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1397375112 is a wasteful number, since it uses less digits than its factorization.

1397375112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760 (or 1722 counting only the distinct ones).

The product of its digits is 39690, while the sum is 39.

The square root of 1397375112 is about 37381.4808695429. The cubic root of 1397375112 is about 1117.9893539180.

The spelling of 1397375112 in words is "one billion, three hundred ninety-seven million, three hundred seventy-five thousand, one hundred twelve".