137045819 has 4 divisors (see below), whose sum is σ = 137220744. Its totient is φ = 136870896.

The previous prime is 137045813. The next prime is 137045837. The reversal of 137045819 is 918540731.

137045819 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.

It is a cyclic number.

It is not a de Polignac number, because 137045819 - 2⁸ = 137045563 is a prime.

It is a super-2 number, since 2×137045819² = 37563113010761522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137045813) 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, 86282 + ... + 87855.

It is an arithmetic number, because the mean of its divisors is an integer number (34305186).

Almost surely, 2^137045819 is an apocalyptic number.

137045819 is a deficient number, since it is larger than the sum of its proper divisors (174925).

137045819 is an equidigital number, since it uses as much as digits as its factorization.

137045819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174924.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 137045819 is about 11706.6570377713. The cubic root of 137045819 is about 515.5711375093.

The spelling of 137045819 in words is "one hundred thirty-seven million, forty-five thousand, eight hundred nineteen".