37142475187 has 4 divisors (see below), whose sum is σ = 37274655096. Its totient is φ = 37010295280.

The previous prime is 37142475173. The next prime is 37142475229. The reversal of 37142475187 is 78157424173.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 37142475187 - 2¹⁵ = 37142442419 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 37142475187.

It is not an unprimeable number, because it can be changed into a prime (37142475787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66089533 + ... + 66090094.

It is an arithmetic number, because the mean of its divisors is an integer number (9318663774).

Almost surely, 2^37142475187 is an apocalyptic number.

37142475187 is a deficient number, since it is larger than the sum of its proper divisors (132179909).

37142475187 is a wasteful number, since it uses less digits than its factorization.

37142475187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132179908.

The product of its digits is 1317120, while the sum is 49.

The spelling of 37142475187 in words is "thirty-seven billion, one hundred forty-two million, four hundred seventy-five thousand, one hundred eighty-seven".