137541619 has 2 divisors, whose sum is σ = 137541620. Its totient is φ = 137541618.

The previous prime is 137541581. The next prime is 137541647. The reversal of 137541619 is 916145731.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137541619 - 2¹³ = 137533427 is a prime.

It is a super-2 number, since 2×137541619² = 37835393914282322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (137541659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68770809 + 68770810.

It is an arithmetic number, because the mean of its divisors is an integer number (68770810).

Almost surely, 2^137541619 is an apocalyptic number.

137541619 is a deficient number, since it is larger than the sum of its proper divisors (1).

137541619 is an equidigital number, since it uses as much as digits as its factorization.

137541619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 37.

The square root of 137541619 is about 11727.8139054131. The cubic root of 137541619 is about 516.1921281914.

The spelling of 137541619 in words is "one hundred thirty-seven million, five hundred forty-one thousand, six hundred nineteen".