5405140234 has 32 divisors (see below), whose sum is σ = 9202954320. Its totient is φ = 2363192832.

The previous prime is 5405140229. The next prime is 5405140267. The reversal of 5405140234 is 4320415045.

It can be written as a sum of positive squares in 8 ways, for example, as 2719309609 + 2685830625 = 52147^2 + 51825^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27667 + ... + 107590.

Almost surely, 2^5405140234 is an apocalyptic number.

5405140234 is a deficient number, since it is larger than the sum of its proper divisors (3797814086).

5405140234 is a wasteful number, since it uses less digits than its factorization.

5405140234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135354.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 5405140234 is about 73519.6588267383. The cubic root of 5405140234 is about 1754.9671380713.

Adding to 5405140234 its reverse (4320415045), we get a palindrome (9725555279).

The spelling of 5405140234 in words is "five billion, four hundred five million, one hundred forty thousand, two hundred thirty-four".