1375454655 has 64 divisors (see below), whose sum is σ = 2543616000. Its totient is φ = 704436480.

The previous prime is 1375454653. The next prime is 1375454677. The reversal of 1375454655 is 5564545731.

1375454655 is a `hidden beast` number, since 1 + 3 + 7 + 54 + 546 + 55 = 666.

It is not a de Polignac number, because 1375454655 - 2¹ = 1375454653 is a prime.

It is a super-2 number, since 2×1375454655² = 3783751015922338050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1375454655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375454653) 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, 572146 + ... + 574544.

It is an arithmetic number, because the mean of its divisors is an integer number (39744000).

Almost surely, 2^1375454655 is an apocalyptic number.

1375454655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1375454655 is a deficient number, since it is larger than the sum of its proper divisors (1168161345).

1375454655 is a wasteful number, since it uses less digits than its factorization.

1375454655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2581 (or 2575 counting only the distinct ones).

The product of its digits is 1260000, while the sum is 45.

The square root of 1375454655 is about 37087.1224955509. The cubic root of 1375454655 is about 1112.1125946472.

The spelling of 1375454655 in words is "one billion, three hundred seventy-five million, four hundred fifty-four thousand, six hundred fifty-five".