137019 has 4 divisors (see below), whose sum is σ = 182696. Its totient is φ = 91344.

The previous prime is 136999. The next prime is 137029. The reversal of 137019 is 910731.

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

It is not a de Polignac number, because 137019 - 2⁵ = 136987 is a prime.

It is a super-2 number, since 2×137019² = 37548412722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136986 and 137004.

It is not an unprimeable number, because it can be changed into a prime (137029) 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, 22834 + ... + 22839.

It is an arithmetic number, because the mean of its divisors is an integer number (45674).

2¹³⁷⁰¹⁹ is an apocalyptic number.

137019 is a deficient number, since it is larger than the sum of its proper divisors (45677).

137019 is an equidigital number, since it uses as much as digits as its factorization.

137019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45676.

The product of its (nonzero) digits is 189, while the sum is 21.

The square root of 137019 is about 370.1607758799. The cubic root of 137019 is about 51.5537503978.

The spelling of 137019 in words is "one hundred thirty-seven thousand, nineteen".