75134643157 has 8 divisors (see below), whose sum is σ = 90387540800. Its totient is φ = 61011589824.

The previous prime is 75134643037. The next prime is 75134643197.

It is a happy number.

75134643157 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 75134643157 - 2¹⁵ = 75134610389 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 (75134643197) 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, 282460932 + ... + 282461197.

It is an arithmetic number, because the mean of its divisors is an integer number (11298442600).

Almost surely, 2^75134643157 is an apocalyptic number.

It is an amenable number.

75134643157 is a deficient number, since it is larger than the sum of its proper divisors (15252897643).

75134643157 is a wasteful number, since it uses less digits than its factorization.

75134643157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564922155.

The product of its digits is 1058400, while the sum is 46.

The spelling of 75134643157 in words is "seventy-five billion, one hundred thirty-four million, six hundred forty-three thousand, one hundred fifty-seven".