1313297655 has 16 divisors (see below), whose sum is σ = 2103830880. Its totient is φ = 699573888.

The previous prime is 1313297599. The next prime is 1313297669. The reversal of 1313297655 is 5567923131.

It is not a de Polignac number, because 1313297655 - 2⁸ = 1313297399 is a prime.

It is a super-3 number, since 3×1313297655³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40372 + ... + 65241.

It is an arithmetic number, because the mean of its divisors is an integer number (131489430).

Almost surely, 2^1313297655 is an apocalyptic number.

1313297655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1313297655 is a deficient number, since it is larger than the sum of its proper divisors (790533225).

1313297655 is a wasteful number, since it uses less digits than its factorization.

1313297655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106450.

The product of its digits is 170100, while the sum is 42.

The square root of 1313297655 is about 36239.4488782597. The cubic root of 1313297655 is about 1095.1015397593.

The spelling of 1313297655 in words is "one billion, three hundred thirteen million, two hundred ninety-seven thousand, six hundred fifty-five".