1397082141 has 64 divisors (see below), whose sum is σ = 2681548800. Its totient is φ = 698113728.

The previous prime is 1397082139. The next prime is 1397082157. The reversal of 1397082141 is 1412807931.

It is a happy number.

It is not a de Polignac number, because 1397082141 - 2¹ = 1397082139 is a prime.

It is a super-2 number, since 2×1397082141² = 3903677017402287762, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1397082096 and 1397082105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397082121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31720 + ... + 61646.

It is an arithmetic number, because the mean of its divisors is an integer number (41899200).

Almost surely, 2^1397082141 is an apocalyptic number.

It is an amenable number.

1397082141 is a deficient number, since it is larger than the sum of its proper divisors (1284466659).

1397082141 is a wasteful number, since it uses less digits than its factorization.

1397082141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29975 (or 29969 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 1397082141 is about 37377.5619991460. The cubic root of 1397082141 is about 1117.9112166187.

The spelling of 1397082141 in words is "one billion, three hundred ninety-seven million, eighty-two thousand, one hundred forty-one".