136424643 has 16 divisors (see below), whose sum is σ = 193792896. Its totient is φ = 85069440.

The previous prime is 136424641. The next prime is 136424647. The reversal of 136424643 is 346424631.

It is not a de Polignac number, because 136424643 - 2¹ = 136424641 is a prime.

It is a super-2 number, since 2×136424643² = 37223366435354898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136424641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108 + ... + 16518.

It is an arithmetic number, because the mean of its divisors is an integer number (12112056).

Almost surely, 2^136424643 is an apocalyptic number.

136424643 is a deficient number, since it is larger than the sum of its proper divisors (57368253).

136424643 is a wasteful number, since it uses less digits than its factorization.

136424643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16594.

The product of its digits is 41472, while the sum is 33.

The square root of 136424643 is about 11680.0960184409. The cubic root of 136424643 is about 514.7909957196.

The spelling of 136424643 in words is "one hundred thirty-six million, four hundred twenty-four thousand, six hundred forty-three".