634541141 has 16 divisors (see below), whose sum is σ = 709657200. Its totient is φ = 563340288.

The previous prime is 634541123. The next prime is 634541147. The reversal of 634541141 is 141145436.

It can be written as a sum of positive squares in 8 ways, for example, as 6838225 + 627702916 = 2615^2 + 25054^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-634541141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634541147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98285 + ... + 104541.

It is an arithmetic number, because the mean of its divisors is an integer number (44353575).

Almost surely, 2^634541141 is an apocalyptic number.

It is an amenable number.

634541141 is a deficient number, since it is larger than the sum of its proper divisors (75116059).

634541141 is a wasteful number, since it uses less digits than its factorization.

634541141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6568.

The product of its digits is 5760, while the sum is 29.

The square root of 634541141 is about 25190.1000593487. The cubic root of 634541141 is about 859.3167193023.

Adding to 634541141 its reverse (141145436), we get a palindrome (775686577).

The spelling of 634541141 in words is "six hundred thirty-four million, five hundred forty-one thousand, one hundred forty-one".