1313143573 has 8 divisors (see below), whose sum is σ = 1502171840. Its totient is φ = 1124474400.

The previous prime is 1313143567. The next prime is 1313143583. The reversal of 1313143573 is 3753413131.

It is a happy number.

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

It is not a de Polignac number, because 1313143573 - 2⁵ = 1313143541 is a prime.

It is a super-2 number, since 2×1313143573² = 3448692086622412658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313143543) 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, 81888 + ... + 96601.

It is an arithmetic number, because the mean of its divisors is an integer number (187771480).

Almost surely, 2^1313143573 is an apocalyptic number.

It is an amenable number.

1313143573 is a deficient number, since it is larger than the sum of its proper divisors (189028267).

1313143573 is a wasteful number, since it uses less digits than its factorization.

1313143573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179547.

The product of its digits is 11340, while the sum is 31.

The square root of 1313143573 is about 36237.3229281634. The cubic root of 1313143573 is about 1095.0587106681.

The spelling of 1313143573 in words is "one billion, three hundred thirteen million, one hundred forty-three thousand, five hundred seventy-three".