1356464345 has 4 divisors (see below), whose sum is σ = 1627757220. Its totient is φ = 1085171472.

The previous prime is 1356464311. The next prime is 1356464383. The reversal of 1356464345 is 5434646531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 568202569 + 788261776 = 23837^2 + 28076^2 .

It is a cyclic number.

It is not a de Polignac number, because 1356464345 - 2⁶ = 1356464281 is a prime.

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, 135646430 + ... + 135646439.

It is an arithmetic number, because the mean of its divisors is an integer number (406939305).

Almost surely, 2^1356464345 is an apocalyptic number.

It is an amenable number.

1356464345 is a deficient number, since it is larger than the sum of its proper divisors (271292875).

1356464345 is an equidigital number, since it uses as much as digits as its factorization.

1356464345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271292874.

The product of its digits is 518400, while the sum is 41.

The square root of 1356464345 is about 36830.2096790121. The cubic root of 1356464345 is about 1106.9707043840.

The spelling of 1356464345 in words is "one billion, three hundred fifty-six million, four hundred sixty-four thousand, three hundred forty-five".