540146051 has 4 divisors (see below), whose sum is σ = 540224400. Its totient is φ = 540067704.

The previous prime is 540146023. The next prime is 540146059. The reversal of 540146051 is 150641045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150641045 = 5 ⋅30128209.

It is a cyclic number.

It is not a de Polignac number, because 540146051 - 2⁶ = 540145987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 540146051.

It is not an unprimeable number, because it can be changed into a prime (540146059) 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 3 ways as a sum of consecutive naturals, for example, 27716 + ... + 42993.

It is an arithmetic number, because the mean of its divisors is an integer number (135056100).

Almost surely, 2^540146051 is an apocalyptic number.

540146051 is a deficient number, since it is larger than the sum of its proper divisors (78349).

540146051 is an equidigital number, since it uses as much as digits as its factorization.

540146051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78348.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 540146051 is about 23241.0423819587. The cubic root of 540146051 is about 814.3986938065.

Adding to 540146051 its reverse (150641045), we get a palindrome (690787096).

The spelling of 540146051 in words is "five hundred forty million, one hundred forty-six thousand, fifty-one".