1361313751 has 8 divisors (see below), whose sum is σ = 1556820864. Its totient is φ = 1166065080.

The previous prime is 1361313739. The next prime is 1361313769. The reversal of 1361313751 is 1573131631.

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

It is a cyclic number.

It is not a de Polignac number, because 1361313751 - 2⁷ = 1361313623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361314751) 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, 53185 + ... + 74506.

It is an arithmetic number, because the mean of its divisors is an integer number (194602608).

Almost surely, 2^1361313751 is an apocalyptic number.

1361313751 is a deficient number, since it is larger than the sum of its proper divisors (195507113).

1361313751 is a wasteful number, since it uses less digits than its factorization.

1361313751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129221.

The product of its digits is 5670, while the sum is 31.

The square root of 1361313751 is about 36895.9855675384. The cubic root of 1361313751 is about 1108.2882880871.

The spelling of 1361313751 in words is "one billion, three hundred sixty-one million, three hundred thirteen thousand, seven hundred fifty-one".