4135136123 has 4 divisors (see below), whose sum is σ = 4136495400. Its totient is φ = 4133776848.

The previous prime is 4135136119. The next prime is 4135136141. The reversal of 4135136123 is 3216315314.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4135136123 - 2² = 4135136119 is a prime.

It is a super-2 number, since 2×4135136123² = 34198701511478942258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4135136023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 675065 + ... + 681162.

It is an arithmetic number, because the mean of its divisors is an integer number (1034123850).

Almost surely, 2^4135136123 is an apocalyptic number.

4135136123 is a deficient number, since it is larger than the sum of its proper divisors (1359277).

4135136123 is a wasteful number, since it uses less digits than its factorization.

4135136123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359276.

The product of its digits is 6480, while the sum is 29.

The square root of 4135136123 is about 64305.0240883245. The cubic root of 4135136123 is about 1605.0797051543.

The spelling of 4135136123 in words is "four billion, one hundred thirty-five million, one hundred thirty-six thousand, one hundred twenty-three".