36981135 has 12 divisors (see below), whose sum is σ = 64100712. Its totient is φ = 19723248.

The previous prime is 36981107. The next prime is 36981149. The reversal of 36981135 is 53118963.

It is a happy number.

It is not a de Polignac number, because 36981135 - 2⁶ = 36981071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36981135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 410857 + ... + 410946.

It is an arithmetic number, because the mean of its divisors is an integer number (5341726).

Almost surely, 2^36981135 is an apocalyptic number.

36981135 is a deficient number, since it is larger than the sum of its proper divisors (27119577).

36981135 is a wasteful number, since it uses less digits than its factorization.

36981135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821814 (or 821811 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 36981135 is about 6081.2116391390. The cubic root of 36981135 is about 333.1655427754.

The spelling of 36981135 in words is "thirty-six million, nine hundred eighty-one thousand, one hundred thirty-five".