142055131 has 2 divisors, whose sum is σ = 142055132. Its totient is φ = 142055130.

The previous prime is 142055059. The next prime is 142055143. The reversal of 142055131 is 131550241.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (131550241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142055131 - 2⁷ = 142055003 is a prime.

It is a super-2 number, since 2×142055131² = 40359320486854322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142055171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71027565 + 71027566.

It is an arithmetic number, because the mean of its divisors is an integer number (71027566).

Almost surely, 2^142055131 is an apocalyptic number.

142055131 is a deficient number, since it is larger than the sum of its proper divisors (1).

142055131 is an equidigital number, since it uses as much as digits as its factorization.

142055131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 142055131 is about 11918.6883087024. The cubic root of 142055131 is about 521.7778532931. Note that the first 3 decimals are identical.

The spelling of 142055131 in words is "one hundred forty-two million, fifty-five thousand, one hundred thirty-one".