42403430134 has 16 divisors (see below), whose sum is σ = 70859844720. Its totient is φ = 18895957920.

The previous prime is 42403430117. The next prime is 42403430149. The reversal of 42403430134 is 43103430424.

It is a super-3 number, since 3×42403430134³ (a number of 33 digits) contains 333 as substring.

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, 28118232 + ... + 28119739.

It is an arithmetic number, because the mean of its divisors is an integer number (4428740295).

Almost surely, 2^42403430134 is an apocalyptic number.

42403430134 is a deficient number, since it is larger than the sum of its proper divisors (28456414586).

42403430134 is a wasteful number, since it uses less digits than its factorization.

42403430134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56238015.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 42403430134 its reverse (43103430424), we get a palindrome (85506860558).

The spelling of 42403430134 in words is "forty-two billion, four hundred three million, four hundred thirty thousand, one hundred thirty-four".