137925997219 has 2 divisors, whose sum is σ = 137925997220. Its totient is φ = 137925997218.

The previous prime is 137925997213. The next prime is 137925997243. The reversal of 137925997219 is 912799529731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137925997219 - 2⁷ = 137925997091 is a prime.

It is a super-2 number, since 2×137925997219² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (137925997213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68962998609 + 68962998610.

It is an arithmetic number, because the mean of its divisors is an integer number (68962998610).

Almost surely, 2^137925997219 is an apocalyptic number.

137925997219 is a deficient number, since it is larger than the sum of its proper divisors (1).

137925997219 is an equidigital number, since it uses as much as digits as its factorization.

137925997219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19289340, while the sum is 64.

The spelling of 137925997219 in words is "one hundred thirty-seven billion, nine hundred twenty-five million, nine hundred ninety-seven thousand, two hundred nineteen".