1356312136531 has 12 divisors (see below), whose sum is σ = 1490964392736. Its totient is φ = 1232893621520.

The previous prime is 1356312136513. The next prime is 1356312136541.

1356312136531 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1356312136531 - 2²⁹ = 1355775265619 is a prime.

It is a super-2 number, since 2×1356312136531² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1356312136511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 755061 + ... + 1811833.

It is an arithmetic number, because the mean of its divisors is an integer number (124247032728).

Almost surely, 2^{1356312136531} is an apocalyptic number.

1356312136531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1356312136531 is a deficient number, since it is larger than the sum of its proper divisors (134652256205).

1356312136531 is a wasteful number, since it uses less digits than its factorization.

1356312136531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067402 (or 1067391 counting only the distinct ones).

The product of its digits is 145800, while the sum is 40.

The spelling of 1356312136531 in words is "one trillion, three hundred fifty-six billion, three hundred twelve million, one hundred thirty-six thousand, five hundred thirty-one".