42134790 has 32 divisors (see below), whose sum is σ = 101928960. Its totient is φ = 11146464.

The previous prime is 42134783. The next prime is 42134803. The reversal of 42134790 is 9743124.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1720 + ... + 9339.

It is an arithmetic number, because the mean of its divisors is an integer number (3185280).

Almost surely, 2^42134790 is an apocalyptic number.

42134790 is an abundant number, since it is smaller than the sum of its proper divisors (59794170).

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

42134790 is a wasteful number, since it uses less digits than its factorization.

42134790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11196.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 42134790 is about 6491.1316424796. The cubic root of 42134790 is about 347.9741194916.

It can be divided in two parts, 42134 and 790, that added together give a palindrome (42924).

The spelling of 42134790 in words is "forty-two million, one hundred thirty-four thousand, seven hundred ninety".