540122142 has 16 divisors (see below), whose sum is σ = 1234564992. Its totient is φ = 154320600.

The previous prime is 540122137. The next prime is 540122153. The reversal of 540122142 is 241221045.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6429984 + ... + 6430067.

It is an arithmetic number, because the mean of its divisors is an integer number (77160312).

Almost surely, 2^540122142 is an apocalyptic number.

540122142 is an abundant number, since it is smaller than the sum of its proper divisors (694442850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

540122142 is a wasteful number, since it uses less digits than its factorization.

540122142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12860063.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 540122142 is about 23240.5280060501. The cubic root of 540122142 is about 814.3866774604.

Adding to 540122142 its reverse (241221045), we get a palindrome (781343187).

The spelling of 540122142 in words is "five hundred forty million, one hundred twenty-two thousand, one hundred forty-two".