136244421001 has 16 divisors (see below), whose sum is σ = 150397523584. Its totient is φ = 122626151424.

The previous prime is 136244420959. The next prime is 136244421023. The reversal of 136244421001 is 100124442631.

It is a cyclic number.

It is not a de Polignac number, because 136244421001 - 2⁹ = 136244420489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136244421041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111340 + ... + 533746.

It is an arithmetic number, because the mean of its divisors is an integer number (9399845224).

Almost surely, 2^136244421001 is an apocalyptic number.

It is an amenable number.

136244421001 is a deficient number, since it is larger than the sum of its proper divisors (14153102583).

136244421001 is a wasteful number, since it uses less digits than its factorization.

136244421001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423040.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 136244421001 its reverse (100124442631), we get a palindrome (236368863632).

The spelling of 136244421001 in words is "one hundred thirty-six billion, two hundred forty-four million, four hundred twenty-one thousand, one".