1308113499 has 32 divisors (see below), whose sum is σ = 2204342784. Its totient is φ = 670222080.

The previous prime is 1308113491. The next prime is 1308113509. The reversal of 1308113499 is 9943118031.

It is a happy number.

It is not a de Polignac number, because 1308113499 - 2³ = 1308113491 is a prime.

It is a super-2 number, since 2×1308113499² = 3422321852532046002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1308113491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21924 + ... + 55649.

It is an arithmetic number, because the mean of its divisors is an integer number (68885712).

Almost surely, 2^1308113499 is an apocalyptic number.

1308113499 is a deficient number, since it is larger than the sum of its proper divisors (896229285).

1308113499 is a wasteful number, since it uses less digits than its factorization.

1308113499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77667.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 1308113499 is about 36167.8517332727. The cubic root of 1308113499 is about 1093.6586925073.

The spelling of 1308113499 in words is "one billion, three hundred eight million, one hundred thirteen thousand, four hundred ninety-nine".