540402146 has 8 divisors (see below), whose sum is σ = 827850240. Its totient is φ = 264452068.

The previous prime is 540402139. The next prime is 540402157. The reversal of 540402146 is 641204045.

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

It is an unprimeable number.

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, 2874386 + ... + 2874573.

It is an arithmetic number, because the mean of its divisors is an integer number (103481280).

Almost surely, 2^540402146 is an apocalyptic number.

540402146 is a deficient number, since it is larger than the sum of its proper divisors (287448094).

540402146 is a wasteful number, since it uses less digits than its factorization.

540402146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5749008.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 540402146 is about 23246.5512711026. The cubic root of 540402146 is about 814.5273815199.

The spelling of 540402146 in words is "five hundred forty million, four hundred two thousand, one hundred forty-six".