142137184 has 24 divisors (see below), whose sum is σ = 319809168. Its totient is φ = 60915840.

The previous prime is 142137181. The next prime is 142137197. The reversal of 142137184 is 481731241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142137181) 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 3 ways as a sum of consecutive naturals, for example, 317047 + ... + 317494.

It is an arithmetic number, because the mean of its divisors is an integer number (13325382).

Almost surely, 2^142137184 is an apocalyptic number.

142137184 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

142137184 is an abundant number, since it is smaller than the sum of its proper divisors (177671984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142137184 is an equidigital number, since it uses as much as digits as its factorization.

142137184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634558 (or 634550 counting only the distinct ones).

The product of its digits is 5376, while the sum is 31.

The square root of 142137184 is about 11922.1300110341. The cubic root of 142137184 is about 521.8782959812.

The spelling of 142137184 in words is "one hundred forty-two million, one hundred thirty-seven thousand, one hundred eighty-four".