142861137 has 8 divisors (see below), whose sum is σ = 191385120. Its totient is φ = 94788960.

The previous prime is 142861123. The next prime is 142861139. The reversal of 142861137 is 731168241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142861137 - 2⁷ = 142861009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142861098 and 142861107.

It is not an unprimeable number, because it can be changed into a prime (142861139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112212 + ... + 113477.

It is an arithmetic number, because the mean of its divisors is an integer number (23923140).

Almost surely, 2^142861137 is an apocalyptic number.

It is an amenable number.

142861137 is a deficient number, since it is larger than the sum of its proper divisors (48523983).

142861137 is a wasteful number, since it uses less digits than its factorization.

142861137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225903.

The product of its digits is 8064, while the sum is 33.

The square root of 142861137 is about 11952.4531791595. The cubic root of 142861137 is about 522.7628304592.

The spelling of 142861137 in words is "one hundred forty-two million, eight hundred sixty-one thousand, one hundred thirty-seven".