136955619 has 12 divisors (see below), whose sum is σ = 198338400. Its totient is φ = 91066704.

The previous prime is 136955617. The next prime is 136955647. The reversal of 136955619 is 916559631.

It is not a de Polignac number, because 136955619 - 2¹ = 136955617 is a prime.

It is a super-2 number, since 2×136955619² = 37513683151346322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136955617) 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 11 ways as a sum of consecutive naturals, for example, 16059 + ... + 23060.

It is an arithmetic number, because the mean of its divisors is an integer number (16528200).

Almost surely, 2^136955619 is an apocalyptic number.

136955619 is a deficient number, since it is larger than the sum of its proper divisors (61382781).

136955619 is a wasteful number, since it uses less digits than its factorization.

136955619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39514 (or 39511 counting only the distinct ones).

The product of its digits is 218700, while the sum is 45.

The square root of 136955619 is about 11702.8038947938. The cubic root of 136955619 is about 515.4580008387.

The spelling of 136955619 in words is "one hundred thirty-six million, nine hundred fifty-five thousand, six hundred nineteen".