1373267655 has 32 divisors (see below), whose sum is σ = 2569862400. Its totient is φ = 693860256.

The previous prime is 1373267611. The next prime is 1373267659. The reversal of 1373267655 is 5567623731.

It is not a de Polignac number, because 1373267655 - 2⁶ = 1373267591 is a prime.

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 1373267655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373267659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 265129 + ... + 270258.

It is an arithmetic number, because the mean of its divisors is an integer number (80308200).

Almost surely, 2^1373267655 is an apocalyptic number.

1373267655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1373267655 is a deficient number, since it is larger than the sum of its proper divisors (1196594745).

1373267655 is a wasteful number, since it uses less digits than its factorization.

1373267655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535420 (or 535414 counting only the distinct ones).

The product of its digits is 793800, while the sum is 45.

The square root of 1373267655 is about 37057.6261382188. The cubic root of 1373267655 is about 1111.5228549922.

The spelling of 1373267655 in words is "one billion, three hundred seventy-three million, two hundred sixty-seven thousand, six hundred fifty-five".