1313623148 has 12 divisors (see below), whose sum is σ = 2299362240. Its totient is φ = 656662512.

The previous prime is 1313623097. The next prime is 1313623151. The reversal of 1313623148 is 8413263131.

It is a super-2 number, since 2×1313623148² = 3451211549922859808, which contains 22 as substring.

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, 16103 + ... + 53726.

It is an arithmetic number, because the mean of its divisors is an integer number (191613520).

Almost surely, 2^1313623148 is an apocalyptic number.

It is an amenable number.

1313623148 is a deficient number, since it is larger than the sum of its proper divisors (985739092).

1313623148 is a wasteful number, since it uses less digits than its factorization.

1313623148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74536 (or 74534 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 1313623148 is about 36243.9394657921. The cubic root of 1313623148 is about 1095.1920037503.

Adding to 1313623148 its reverse (8413263131), we get a palindrome (9726886279).

The spelling of 1313623148 in words is "one billion, three hundred thirteen million, six hundred twenty-three thousand, one hundred forty-eight".