42061134 has 16 divisors (see below), whose sum is σ = 84452688. Its totient is φ = 13965312.

The previous prime is 42061091. The next prime is 42061139. The reversal of 42061134 is 43116024.

It is a self number, because there is not a number n which added to its sum of digits gives 42061134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42061139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12097 + ... + 15180.

It is an arithmetic number, because the mean of its divisors is an integer number (5278293).

Almost surely, 2^42061134 is an apocalyptic number.

42061134 is an abundant number, since it is smaller than the sum of its proper divisors (42391554).

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

42061134 is a wasteful number, since it uses less digits than its factorization.

42061134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27539.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 42061134 is about 6485.4555738205. The cubic root of 42061134 is about 347.7712362280.

Adding to 42061134 its reverse (43116024), we get a palindrome (85177158).

It can be divided in two parts, 42061 and 134, that added together give a triangular number (42195 = T₂₉₀).

The spelling of 42061134 in words is "forty-two million, sixty-one thousand, one hundred thirty-four".