1313552142 has 24 divisors (see below), whose sum is σ = 3252605616. Its totient is φ = 375300576.

The previous prime is 1313552113. The next prime is 1313552189. The reversal of 1313552142 is 2412553131.

1313552142 is a `hidden beast` number, since 1 + 3 + 135 + 521 + 4 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5212383 + ... + 5212634.

It is an arithmetic number, because the mean of its divisors is an integer number (135525234).

Almost surely, 2^1313552142 is an apocalyptic number.

1313552142 is an abundant number, since it is smaller than the sum of its proper divisors (1939053474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313552142 is a wasteful number, since it uses less digits than its factorization.

1313552142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10425032 (or 10425029 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 1313552142 is about 36242.9598956818. The cubic root of 1313552142 is about 1095.1722703879.

The spelling of 1313552142 in words is "one billion, three hundred thirteen million, five hundred fifty-two thousand, one hundred forty-two".