1373013655 has 8 divisors (see below), whose sum is σ = 1774356192. Its totient is φ = 1013917728.

The previous prime is 1373013571. The next prime is 1373013659. The reversal of 1373013655 is 5563103731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1373013655 - 2¹³ = 1373005463 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1373013655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373013659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10561579 + ... + 10561708.

It is an arithmetic number, because the mean of its divisors is an integer number (221794524).

Almost surely, 2^1373013655 is an apocalyptic number.

1373013655 is a deficient number, since it is larger than the sum of its proper divisors (401342537).

1373013655 is a wasteful number, since it uses less digits than its factorization.

1373013655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21123305.

The product of its (nonzero) digits is 28350, while the sum is 34.

The square root of 1373013655 is about 37054.1988848767. The cubic root of 1373013655 is about 1111.4543215658.

The spelling of 1373013655 in words is "one billion, three hundred seventy-three million, thirteen thousand, six hundred fifty-five".