42137057 has 4 divisors (see below), whose sum is σ = 42222000. Its totient is φ = 42052116.

The previous prime is 42137027. The next prime is 42137059. The reversal of 42137057 is 75073124.

42137057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42137057 - 2⁶ = 42136993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42137059) by changing a digit.

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, 41723 + ... + 42720.

It is an arithmetic number, because the mean of its divisors is an integer number (10555500).

Almost surely, 2^42137057 is an apocalyptic number.

It is an amenable number.

42137057 is a deficient number, since it is larger than the sum of its proper divisors (84943).

42137057 is an equidigital number, since it uses as much as digits as its factorization.

42137057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84942.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 42137057 is about 6491.3062629951. The cubic root of 42137057 is about 347.9803601238.

The spelling of 42137057 in words is "forty-two million, one hundred thirty-seven thousand, fifty-seven".