136620654423 has 16 divisors (see below), whose sum is σ = 201115184256. Its totient is φ = 81802799840.

The previous prime is 136620654413. The next prime is 136620654433. The reversal of 136620654423 is 324456026631.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (136620654413) and next prime (136620654433).

It is a cyclic number.

It is not a de Polignac number, because 136620654423 - 2¹⁴ = 136620638039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136620654413) 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, 24937140 + ... + 24942617.

It is an arithmetic number, because the mean of its divisors is an integer number (12569699016).

Almost surely, 2^136620654423 is an apocalyptic number.

136620654423 is a deficient number, since it is larger than the sum of its proper divisors (64494529833).

136620654423 is a wasteful number, since it uses less digits than its factorization.

136620654423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49879854.

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 136620654423 in words is "one hundred thirty-six billion, six hundred twenty million, six hundred fifty-four thousand, four hundred twenty-three".