137924019 has 8 divisors (see below), whose sum is σ = 204331920. Its totient is φ = 91949328.

The previous prime is 137924011. The next prime is 137924023. The reversal of 137924019 is 910429731.

It is not a de Polignac number, because 137924019 - 2³ = 137924011 is a prime.

It is a super-2 number, since 2×137924019² = 38046070034224722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (137924011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2554122 + ... + 2554175.

It is an arithmetic number, because the mean of its divisors is an integer number (25541490).

Almost surely, 2^137924019 is an apocalyptic number.

137924019 is a deficient number, since it is larger than the sum of its proper divisors (66407901).

137924019 is an equidigital number, since it uses as much as digits as its factorization.

137924019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5108306 (or 5108300 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 137924019 is about 11744.1057130801. The cubic root of 137924019 is about 516.6700664824.

The spelling of 137924019 in words is "one hundred thirty-seven million, nine hundred twenty-four thousand, nineteen".