42136798 has 20 divisors (see below), whose sum is σ = 69573600. Its totient is φ = 19139780.

The previous prime is 42136789. The next prime is 42136799. The reversal of 42136798 is 89763124.

It is a self number, because there is not a number n which added to its sum of digits gives 42136798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42136799) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 28563 + ... + 30001.

It is an arithmetic number, because the mean of its divisors is an integer number (3478680).

Almost surely, 2^42136798 is an apocalyptic number.

42136798 is a deficient number, since it is larger than the sum of its proper divisors (27436802).

42136798 is an equidigital number, since it uses as much as digits as its factorization.

42136798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485 (or 1452 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 42136798 is about 6491.2863132048. The cubic root of 42136798 is about 347.9796471560.

It can be divided in two parts, 4213 and 6798, that added together give a palindrome (11011).

The spelling of 42136798 in words is "forty-two million, one hundred thirty-six thousand, seven hundred ninety-eight".