142037987609 has 24 divisors (see below), whose sum is σ = 167593782600. Its totient is φ = 120014092800.

The previous prime is 142037987491. The next prime is 142037987629. The reversal of 142037987609 is 906789730241.

It can be written as a sum of positive squares in 4 ways, for example, as 118751227609 + 23286760000 = 344603^2 + 152600^2 .

It is not a de Polignac number, because 142037987609 - 2²⁸ = 141769552153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142037987629) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1070657 + ... + 1195985.

It is an arithmetic number, because the mean of its divisors is an integer number (6983074275).

Almost surely, 2^142037987609 is an apocalyptic number.

It is an amenable number.

142037987609 is a deficient number, since it is larger than the sum of its proper divisors (25555794991).

142037987609 is a wasteful number, since it uses less digits than its factorization.

142037987609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125673 (or 125666 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 56.

The spelling of 142037987609 in words is "one hundred forty-two billion, thirty-seven million, nine hundred eighty-seven thousand, six hundred nine".