137385841 has 4 divisors (see below), whose sum is σ = 140308992. Its totient is φ = 134462692.

The previous prime is 137385839. The next prime is 137385851. The reversal of 137385841 is 148583731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 148583731 = 107 ⋅1388633.

It is a cyclic number.

It is not a de Polignac number, because 137385841 - 2¹ = 137385839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137385794 and 137385803.

It is not an unprimeable number, because it can be changed into a prime (137385811) 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, 1461505 + ... + 1461598.

It is an arithmetic number, because the mean of its divisors is an integer number (35077248).

Almost surely, 2^137385841 is an apocalyptic number.

It is an amenable number.

137385841 is a deficient number, since it is larger than the sum of its proper divisors (2923151).

137385841 is an equidigital number, since it uses as much as digits as its factorization.

137385841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2923150.

The product of its digits is 80640, while the sum is 40.

The square root of 137385841 is about 11721.1706326629. The cubic root of 137385841 is about 515.9971768870.

The spelling of 137385841 in words is "one hundred thirty-seven million, three hundred eighty-five thousand, eight hundred forty-one".