750138263 has 4 divisors (see below), whose sum is σ = 857300880. Its totient is φ = 642975648.

The previous prime is 750138239. The next prime is 750138271. The reversal of 750138263 is 362831057.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 362831057 = 53 ⋅6845869.

It is not a de Polignac number, because 750138263 - 2⁶ = 750138199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (750138863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53581298 + ... + 53581311.

It is an arithmetic number, because the mean of its divisors is an integer number (214325220).

Almost surely, 2^750138263 is an apocalyptic number.

750138263 is a deficient number, since it is larger than the sum of its proper divisors (107162617).

750138263 is a wasteful number, since it uses less digits than its factorization.

750138263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107162616.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 750138263 is about 27388.6520843944. The cubic root of 750138263 is about 908.6161242177.

The spelling of 750138263 in words is "seven hundred fifty million, one hundred thirty-eight thousand, two hundred sixty-three".