36155021 has 8 divisors (see below), whose sum is σ = 42653184. Its totient is φ = 29990160.

The previous prime is 36155003. The next prime is 36155029. The reversal of 36155021 is 12055163.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36155021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36155029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83090 + ... + 83523.

It is an arithmetic number, because the mean of its divisors is an integer number (5331648).

Almost surely, 2^36155021 is an apocalyptic number.

36155021 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

36155021 is a deficient number, since it is larger than the sum of its proper divisors (6498163).

36155021 is a wasteful number, since it uses less digits than its factorization.

36155021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166651.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 36155021 is about 6012.9045394052. The cubic root of 36155021 is about 330.6659981225.

The spelling of 36155021 in words is "thirty-six million, one hundred fifty-five thousand, twenty-one".