36442138 has 8 divisors (see below), whose sum is σ = 54689760. Its totient is φ = 18212220.

The previous prime is 36442129. The next prime is 36442139. The reversal of 36442138 is 83124463.

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

It is a super-2 number, since 2×36442138² = 2656058844022088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36442139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3723 + ... + 9313.

It is an arithmetic number, because the mean of its divisors is an integer number (6836220).

Almost surely, 2^36442138 is an apocalyptic number.

36442138 is a deficient number, since it is larger than the sum of its proper divisors (18247622).

36442138 is a wasteful number, since it uses less digits than its factorization.

36442138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8852.

The product of its digits is 13824, while the sum is 31.

The square root of 36442138 is about 6036.7323942676. The cubic root of 36442138 is about 331.5389945992.

The spelling of 36442138 in words is "thirty-six million, four hundred forty-two thousand, one hundred thirty-eight".