540132457 has 2 divisors, whose sum is σ = 540132458. Its totient is φ = 540132456.

The previous prime is 540132443. The next prime is 540132473. The reversal of 540132457 is 754231045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 496888681 + 43243776 = 22291^2 + 6576^2 .

It is a cyclic number.

It is not a de Polignac number, because 540132457 - 2¹⁵ = 540099689 is a prime.

It is a super-2 number, since 2×540132457² = 583486142209713698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (540132407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270066228 + 270066229.

It is an arithmetic number, because the mean of its divisors is an integer number (270066229).

Almost surely, 2^540132457 is an apocalyptic number.

It is an amenable number.

540132457 is a deficient number, since it is larger than the sum of its proper divisors (1).

540132457 is an equidigital number, since it uses as much as digits as its factorization.

540132457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 540132457 is about 23240.7499233566. The cubic root of 540132457 is about 814.3918616860.

It can be divided in two parts, 540 and 132457, that multiplied together give a triangular number (71526780 = T₁₁₉₆₀).

The spelling of 540132457 in words is "five hundred forty million, one hundred thirty-two thousand, four hundred fifty-seven".