142659136 has 21 divisors (see below), whose sum is σ = 283278961. Its totient is φ = 71281792.

The previous prime is 142659107. The next prime is 142659151. The reversal of 142659136 is 631956241.

The square root of 142659136 is 11944.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 124545600 + 18113536 = 11160^2 + 4256^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142659095 and 142659104.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 94806 + ... + 96298.

Almost surely, 2^142659136 is an apocalyptic number.

142659136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

142659136 is the 11944-th square number.

It is an amenable number.

142659136 is a deficient number, since it is larger than the sum of its proper divisors (140619825).

142659136 is an frugal number, since it uses more digits than its factorization.

142659136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998 (or 1495 counting only the distinct ones).

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

The cubic root of 142659136 is about 522.5163243604.

The spelling of 142659136 in words is "one hundred forty-two million, six hundred fifty-nine thousand, one hundred thirty-six".