542137 has 6 divisors (see below), whose sum is σ = 555422. Its totient is φ = 529152.

The previous prime is 542131. The next prime is 542141. The reversal of 542137 is 731245.

It can be written as a sum of positive squares in 3 ways, for example, as 118336 + 423801 = 344^2 + 651^2 .

It is a de Polignac number, because none of the positive numbers 2^k-542137 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (542131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2713 + ... + 2905.

2⁵⁴²¹³⁷ is an apocalyptic number.

It is an amenable number.

542137 is a deficient number, since it is larger than the sum of its proper divisors (13285).

542137 is an equidigital number, since it uses as much as digits as its factorization.

542137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299 (or 246 counting only the distinct ones).

The product of its digits is 840, while the sum is 22.

The square root of 542137 is about 736.2995314408. The cubic root of 542137 is about 81.5398076701.

The spelling of 542137 in words is "five hundred forty-two thousand, one hundred thirty-seven".