1356131 has 8 divisors (see below), whose sum is σ = 1561344. Its totient is φ = 1153800.

The previous prime is 1356109. The next prime is 1356133. The reversal of 1356131 is 1316531.

It is a happy number.

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 1356131 - 2⁶ = 1356067 is a prime.

It is a super-2 number, since 2×1356131² = 3678182578322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1356133) 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, 416 + ... + 1698.

It is an arithmetic number, because the mean of its divisors is an integer number (195168).

2^1356131 is an apocalyptic number.

1356131 is a deficient number, since it is larger than the sum of its proper divisors (205213).

1356131 is a wasteful number, since it uses less digits than its factorization.

1356131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441.

The product of its digits is 270, while the sum is 20.

The square root of 1356131 is about 1164.5303774484. The cubic root of 1356131 is about 110.6880019268.

The spelling of 1356131 in words is "one million, three hundred fifty-six thousand, one hundred thirty-one".