1373074655 has 4 divisors (see below), whose sum is σ = 1647689592. Its totient is φ = 1098459720.

The previous prime is 1373074643. The next prime is 1373074663. The reversal of 1373074655 is 5564703731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5564703731 = 21149 ⋅263119.

It is not a de Polignac number, because 1373074655 - 2²⁰ = 1372026079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137307461 + ... + 137307470.

It is an arithmetic number, because the mean of its divisors is an integer number (411922398).

Almost surely, 2^1373074655 is an apocalyptic number.

1373074655 is a deficient number, since it is larger than the sum of its proper divisors (274614937).

1373074655 is an equidigital number, since it uses as much as digits as its factorization.

1373074655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274614936.

The product of its (nonzero) digits is 264600, while the sum is 41.

The square root of 1373074655 is about 37055.0219943262. The cubic root of 1373074655 is about 1111.4707811519.

The spelling of 1373074655 in words is "one billion, three hundred seventy-three million, seventy-four thousand, six hundred fifty-five".