1356507454864 has 15 divisors (see below), whose sum is σ = 2628242220193. Its totient is φ = 678251398048.

The previous prime is 1356507454817. The next prime is 1356507454891. The reversal of 1356507454864 is 4684547056531.

The square root of 1356507454864 is 1164692.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 112372448400 + 1244135006464 = 335220^2 + 1115408^2 .

It is a super-2 number, since 2×1356507454864² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1356507454799 and 1356507454808.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4513182 + ... + 4804354.

Almost surely, 2^{1356507454864} is an apocalyptic number.

1356507454864 is the 1164692-nd square number.

It is an amenable number.

1356507454864 is a deficient number, since it is larger than the sum of its proper divisors (1271734765329).

1356507454864 is an frugal number, since it uses more digits than its factorization.

1356507454864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582354 (or 291175 counting only the distinct ones).

The product of its (nonzero) digits is 48384000, while the sum is 58.

The spelling of 1356507454864 in words is "one trillion, three hundred fifty-six billion, five hundred seven million, four hundred fifty-four thousand, eight hundred sixty-four".