7500134739 has 8 divisors (see below), whose sum is σ = 10000603600. Its totient is φ = 4999877856.

The previous prime is 7500134723. The next prime is 7500134743. The reversal of 7500134739 is 9374310057.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7500134739 - 2⁴ = 7500134723 is a prime.

It is a super-2 number, since 2×7500134739² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7500134697 and 7500134706.

It is not an unprimeable number, because it can be changed into a prime (7500130739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71037 + ... + 141585.

It is an arithmetic number, because the mean of its divisors is an integer number (1250075450).

Almost surely, 2^7500134739 is an apocalyptic number.

7500134739 is a deficient number, since it is larger than the sum of its proper divisors (2500468861).

7500134739 is a wasteful number, since it uses less digits than its factorization.

7500134739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105989.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 7500134739 is about 86603.3182909292. The cubic root of 7500134739 is about 1957.4455424109.

The spelling of 7500134739 in words is "seven billion, five hundred million, one hundred thirty-four thousand, seven hundred thirty-nine".