136950019 has 2 divisors, whose sum is σ = 136950020. Its totient is φ = 136950018.

The previous prime is 136950017. The next prime is 136950029. The reversal of 136950019 is 910059631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136950019 - 2¹ = 136950017 is a prime.

It is a super-2 number, since 2×136950019² = 37510615408200722, which contains 22 as substring.

Together with 136950017, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (136950017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68475009 + 68475010.

It is an arithmetic number, because the mean of its divisors is an integer number (68475010).

Almost surely, 2^136950019 is an apocalyptic number.

136950019 is a deficient number, since it is larger than the sum of its proper divisors (1).

136950019 is an equidigital number, since it uses as much as digits as its factorization.

136950019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 136950019 is about 11702.5646334468. The cubic root of 136950019 is about 515.4509751950.

The spelling of 136950019 in words is "one hundred thirty-six million, nine hundred fifty thousand, nineteen".