142708137 has 32 divisors (see below), whose sum is σ = 225125376. Its totient is φ = 79272000.

The previous prime is 142708129. The next prime is 142708157. The reversal of 142708137 is 731807241.

It is a happy number.

It is not a de Polignac number, because 142708137 - 2³ = 142708129 is a prime.

It is a super-2 number, since 2×142708137² = 40731224732021538, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 142708098 and 142708107.

It is not an unprimeable number, because it can be changed into a prime (142708117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63678 + ... + 65880.

It is an arithmetic number, because the mean of its divisors is an integer number (7035168).

Almost surely, 2^142708137 is an apocalyptic number.

It is an amenable number.

142708137 is a deficient number, since it is larger than the sum of its proper divisors (82417239).

142708137 is a wasteful number, since it uses less digits than its factorization.

142708137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 142708137 is about 11946.0511048631. The cubic root of 142708137 is about 522.5761426850.

It can be divided in two parts, 142708 and 137, that added together give a triangular number (142845 = T₅₃₄).

The spelling of 142708137 in words is "one hundred forty-two million, seven hundred eight thousand, one hundred thirty-seven".