137709419 has 2 divisors, whose sum is σ = 137709420. Its totient is φ = 137709418.

The previous prime is 137709373. The next prime is 137709431. The reversal of 137709419 is 914907731.

137709419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137709419 is a prime.

It is a super-2 number, since 2×137709419² = 37927768162635122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (137709479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68854709 + 68854710.

It is an arithmetic number, because the mean of its divisors is an integer number (68854710).

Almost surely, 2^137709419 is an apocalyptic number.

137709419 is a deficient number, since it is larger than the sum of its proper divisors (1).

137709419 is an equidigital number, since it uses as much as digits as its factorization.

137709419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 137709419 is about 11734.9656582369. The cubic root of 137709419 is about 516.4019600457.

The spelling of 137709419 in words is "one hundred thirty-seven million, seven hundred nine thousand, four hundred nineteen".