75140004157 has 4 divisors (see below), whose sum is σ = 75804960060. Its totient is φ = 74475048256.

The previous prime is 75140004139. The next prime is 75140004211.

75140004157 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28423936836 + 46716067321 = 168594^2 + 216139^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75140004157 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 (75140004757) 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, 332477782 + ... + 332478007.

It is an arithmetic number, because the mean of its divisors is an integer number (18951240015).

Almost surely, 2^75140004157 is an apocalyptic number.

It is an amenable number.

75140004157 is a deficient number, since it is larger than the sum of its proper divisors (664955903).

75140004157 is a wasteful number, since it uses less digits than its factorization.

75140004157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664955902.

The product of its (nonzero) digits is 19600, while the sum is 34.

It can be divided in two parts, 7514000 and 4157, that added together give a palindrome (7518157).

The spelling of 75140004157 in words is "seventy-five billion, one hundred forty million, four thousand, one hundred fifty-seven".