1531142136163 has 4 divisors (see below), whose sum is σ = 1531179268168. Its totient is φ = 1531105004160.

The previous prime is 1531142136157. The next prime is 1531142136169. The reversal of 1531142136163 is 3616312411351.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1531142136157) and next prime (1531142136169).

It is a cyclic number.

It is not a de Polignac number, because 1531142136163 - 2¹³ = 1531142127971 is a prime.

It is a super-2 number, since 2×1531142136163² (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 (1531142136169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18504081 + ... + 18586642.

It is an arithmetic number, because the mean of its divisors is an integer number (382794817042).

Almost surely, 2^{1531142136163} is an apocalyptic number.

1531142136163 is a deficient number, since it is larger than the sum of its proper divisors (37132005).

1531142136163 is an equidigital number, since it uses as much as digits as its factorization.

1531142136163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37132004.

The product of its digits is 38880, while the sum is 37.

The spelling of 1531142136163 in words is "one trillion, five hundred thirty-one billion, one hundred forty-two million, one hundred thirty-six thousand, one hundred sixty-three".