4252136731 has 4 divisors (see below), whose sum is σ = 4389302464. Its totient is φ = 4114971000.

The previous prime is 4252136719. The next prime is 4252136741. The reversal of 4252136731 is 1376312524.

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

It is not a de Polignac number, because 4252136731 - 2⁹ = 4252136219 is a prime.

It is a super-2 number, since 2×4252136731² = 36161333558238732722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4252136701) 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, 68582820 + ... + 68582881.

It is an arithmetic number, because the mean of its divisors is an integer number (1097325616).

Almost surely, 2^4252136731 is an apocalyptic number.

4252136731 is a deficient number, since it is larger than the sum of its proper divisors (137165733).

4252136731 is a wasteful number, since it uses less digits than its factorization.

4252136731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137165732.

The product of its digits is 30240, while the sum is 34.

The square root of 4252136731 is about 65208.4099714140. The cubic root of 4252136731 is about 1620.0773131573.

The spelling of 4252136731 in words is "four billion, two hundred fifty-two million, one hundred thirty-six thousand, seven hundred thirty-one".