1368131 has 4 divisors (see below), whose sum is σ = 1399992. Its totient is φ = 1336272.

The previous prime is 1368127. The next prime is 1368161. The reversal of 1368131 is 1318631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1318631 = 367 ⋅3593.

It is a cyclic number.

It is not a de Polignac number, because 1368131 - 2² = 1368127 is a prime.

It is a super-2 number, since 2×1368131² = 3743564866322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1368097 and 1368106.

It is not an unprimeable number, because it can be changed into a prime (1368121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15866 + ... + 15951.

It is an arithmetic number, because the mean of its divisors is an integer number (349998).

2^1368131 is an apocalyptic number.

1368131 is a deficient number, since it is larger than the sum of its proper divisors (31861).

1368131 is an equidigital number, since it uses as much as digits as its factorization.

1368131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31860.

The product of its digits is 432, while the sum is 23.

The square root of 1368131 is about 1169.6713213548. The cubic root of 1368131 is about 111.0135253924.

The spelling of 1368131 in words is "one million, three hundred sixty-eight thousand, one hundred thirty-one".