1375297270398 has 48 divisors (see below), whose sum is σ = 2997495133776. Its totient is φ = 455718516480.

The previous prime is 1375297270343. The next prime is 1375297270409. The reversal of 1375297270398 is 8930727925731.

1375297270398 is a `hidden beast` number, since 1 + 3 + 7 + 529 + 7 + 2 + 70 + 39 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2160736 + ... + 2723852.

It is an arithmetic number, because the mean of its divisors is an integer number (62447815287).

Almost surely, 2^{1375297270398} is an apocalyptic number.

1375297270398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1375297270398 is an abundant number, since it is smaller than the sum of its proper divisors (1622197863378).

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

1375297270398 is a wasteful number, since it uses less digits than its factorization.

1375297270398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563929 (or 563926 counting only the distinct ones).

The product of its (nonzero) digits is 40007520, while the sum is 63.

The spelling of 1375297270398 in words is "one trillion, three hundred seventy-five billion, two hundred ninety-seven million, two hundred seventy thousand, three hundred ninety-eight".