137875019 has 8 divisors (see below), whose sum is σ = 143674560. Its totient is φ = 132145216.

The previous prime is 137875007. The next prime is 137875043. The reversal of 137875019 is 910578731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137875019 - 2¹² = 137870923 is a prime.

It is a super-2 number, since 2×137875019² = 38019041728500722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137875519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13379 + ... + 21324.

It is an arithmetic number, because the mean of its divisors is an integer number (17959320).

Almost surely, 2^137875019 is an apocalyptic number.

137875019 is a deficient number, since it is larger than the sum of its proper divisors (5799541).

137875019 is a wasteful number, since it uses less digits than its factorization.

137875019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34869.

The product of its (nonzero) digits is 52920, while the sum is 41.

The square root of 137875019 is about 11742.0193748776. The cubic root of 137875019 is about 516.6088737762.

The spelling of 137875019 in words is "one hundred thirty-seven million, eight hundred seventy-five thousand, nineteen".