42136611 has 8 divisors (see below), whose sum is σ = 61289664. Its totient is φ = 25537320.

The previous prime is 42136607. The next prime is 42136613. The reversal of 42136611 is 11663124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42136611 - 2² = 42136607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42136613) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 638401 + ... + 638466.

It is an arithmetic number, because the mean of its divisors is an integer number (7661208).

Almost surely, 2^42136611 is an apocalyptic number.

42136611 is a deficient number, since it is larger than the sum of its proper divisors (19153053).

42136611 is a wasteful number, since it uses less digits than its factorization.

42136611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276881.

The product of its digits is 864, while the sum is 24.

The square root of 42136611 is about 6491.2719092640. The cubic root of 42136611 is about 347.9791323859.

Adding to 42136611 its reverse (11663124), we get a palindrome (53799735).

The spelling of 42136611 in words is "forty-two million, one hundred thirty-six thousand, six hundred eleven".