540136401 has 8 divisors (see below), whose sum is σ = 823065024. Its totient is φ = 308649360.

The previous prime is 540136369. The next prime is 540136423. The reversal of 540136401 is 104631045.

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

It is not a de Polignac number, because 540136401 - 2⁵ = 540136369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540136001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12860370 + ... + 12860411.

It is an arithmetic number, because the mean of its divisors is an integer number (102883128).

Almost surely, 2^540136401 is an apocalyptic number.

It is an amenable number.

540136401 is a deficient number, since it is larger than the sum of its proper divisors (282928623).

540136401 is a wasteful number, since it uses less digits than its factorization.

540136401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25720791.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 540136401 is about 23240.8347741642. The cubic root of 540136401 is about 814.3938438872.

Adding to 540136401 its reverse (104631045), we get a palindrome (644767446).

The spelling of 540136401 in words is "five hundred forty million, one hundred thirty-six thousand, four hundred one".