1397392514 has 16 divisors (see below), whose sum is σ = 2434802496. Its totient is φ = 589064400.

The previous prime is 1397392489. The next prime is 1397392519. The reversal of 1397392514 is 4152937931.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1397392519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 817292 + ... + 818999.

It is an arithmetic number, because the mean of its divisors is an integer number (152175156).

Almost surely, 2^1397392514 is an apocalyptic number.

1397392514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1397392514 is a deficient number, since it is larger than the sum of its proper divisors (1037409982).

1397392514 is a wasteful number, since it uses less digits than its factorization.

1397392514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636361.

The product of its digits is 204120, while the sum is 44.

The square root of 1397392514 is about 37381.7136311325. The cubic root of 1397392514 is about 1117.9939948026.

The spelling of 1397392514 in words is "one billion, three hundred ninety-seven million, three hundred ninety-two thousand, five hundred fourteen".