1397400535115 has 64 divisors (see below), whose sum is σ = 1988001792000. Its totient is φ = 933018476544.

The previous prime is 1397400535093. The next prime is 1397400535117. The reversal of 1397400535115 is 5115350047931.

It is a cyclic number.

It is not a de Polignac number, because 1397400535115 - 2²² = 1397396340811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1397400535117) 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, 12699062 + ... + 12808628.

It is an arithmetic number, because the mean of its divisors is an integer number (31062528000).

Almost surely, 2^{1397400535115} is an apocalyptic number.

1397400535115 is a deficient number, since it is larger than the sum of its proper divisors (590601256885).

1397400535115 is a wasteful number, since it uses less digits than its factorization.

1397400535115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110076.

The product of its (nonzero) digits is 283500, while the sum is 44.

The spelling of 1397400535115 in words is "one trillion, three hundred ninety-seven billion, four hundred million, five hundred thirty-five thousand, one hundred fifteen".