1356142885 has 16 divisors (see below), whose sum is σ = 1639895040. Its totient is φ = 1076587200.

The previous prime is 1356142867. The next prime is 1356142889. The reversal of 1356142885 is 5882416531.

It is not a de Polignac number, because 1356142885 - 2⁷ = 1356142757 is a prime.

It is a super-2 number, since 2×1356142885² = 3678247049072246450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356142889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1041735 + ... + 1043035.

It is an arithmetic number, because the mean of its divisors is an integer number (102493440).

Almost surely, 2^1356142885 is an apocalyptic number.

It is an amenable number.

1356142885 is a deficient number, since it is larger than the sum of its proper divisors (283752155).

1356142885 is a wasteful number, since it uses less digits than its factorization.

1356142885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748.

The product of its digits is 230400, while the sum is 43.

The square root of 1356142885 is about 36825.8453399240. The cubic root of 1356142885 is about 1106.8832527878.

The spelling of 1356142885 in words is "one billion, three hundred fifty-six million, one hundred forty-two thousand, eight hundred eighty-five".