42134099 has 12 divisors (see below), whose sum is σ = 49207824. Its totient is φ = 35328384.

The previous prime is 42134093. The next prime is 42134117. The reversal of 42134099 is 99043124.

42134099 = T₃₂₂ + T₃₂₃ + ... + T₆₅₈.

It is a happy number.

It is not a de Polignac number, because 42134099 - 2²⁴ = 25356883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42134093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124859 + ... + 125195.

It is an arithmetic number, because the mean of its divisors is an integer number (4100652).

Almost surely, 2^42134099 is an apocalyptic number.

42134099 is a deficient number, since it is larger than the sum of its proper divisors (7073725).

42134099 is an frugal number, since it uses more digits than its factorization.

42134099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 42134099 is about 6491.0784157950. The cubic root of 42134099 is about 347.9722172518.

The spelling of 42134099 in words is "forty-two million, one hundred thirty-four thousand, ninety-nine".