542137629 has 48 divisors (see below), whose sum is σ = 838618560. Its totient is φ = 308582400.

The previous prime is 542137627. The next prime is 542137681. The reversal of 542137629 is 926731245.

It is not a de Polignac number, because 542137629 - 2¹ = 542137627 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542137627) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1608549 + ... + 1608885.

It is an arithmetic number, because the mean of its divisors is an integer number (17471220).

Almost surely, 2^542137629 is an apocalyptic number.

It is an amenable number.

542137629 is a deficient number, since it is larger than the sum of its proper divisors (296480931).

542137629 is a wasteful number, since it uses less digits than its factorization.

542137629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 421 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 542137629 is about 23283.8491018989. The cubic root of 542137629 is about 815.3983920487.

The spelling of 542137629 in words is "five hundred forty-two million, one hundred thirty-seven thousand, six hundred twenty-nine".