1356456231 has 24 divisors (see below), whose sum is σ = 2234166480. Its totient is φ = 785638656.

The previous prime is 1356456191. The next prime is 1356456247. The reversal of 1356456231 is 1326546531.

1356456231 is a `hidden beast` number, since 1 + 3 + 5 + 64 + 562 + 31 = 666.

It is not a de Polignac number, because 1356456231 - 2¹⁰ = 1356455207 is a prime.

It is a super-2 number, since 2×1356456231² = 3679947013237450722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356466231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 339001 + ... + 342978.

It is an arithmetic number, because the mean of its divisors is an integer number (93090270).

Almost surely, 2^1356456231 is an apocalyptic number.

1356456231 is a deficient number, since it is larger than the sum of its proper divisors (877710249).

1356456231 is a wasteful number, since it uses less digits than its factorization.

1356456231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682015 (or 682012 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 1356456231 is about 36830.0995247094. The cubic root of 1356456231 is about 1106.9684971805.

The spelling of 1356456231 in words is "one billion, three hundred fifty-six million, four hundred fifty-six thousand, two hundred thirty-one".