137875783 has 4 divisors (see below), whose sum is σ = 137901960. Its totient is φ = 137849608.

The previous prime is 137875781. The next prime is 137875811. The reversal of 137875783 is 387578731.

It is a happy number.

137875783 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 387578731 = 5393 ⋅71867.

It is a cyclic number.

It is not a de Polignac number, because 137875783 - 2¹ = 137875781 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (137875781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2128 + ... + 16741.

It is an arithmetic number, because the mean of its divisors is an integer number (34475490).

Almost surely, 2^137875783 is an apocalyptic number.

137875783 is a deficient number, since it is larger than the sum of its proper divisors (26177).

137875783 is an equidigital number, since it uses as much as digits as its factorization.

137875783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26176.

The product of its digits is 987840, while the sum is 49.

The square root of 137875783 is about 11742.0519075671. The cubic root of 137875783 is about 516.6098279941.

The spelling of 137875783 in words is "one hundred thirty-seven million, eight hundred seventy-five thousand, seven hundred eighty-three".