36139853 has 4 divisors (see below), whose sum is σ = 36154560. Its totient is φ = 36125148.

The previous prime is 36139849. The next prime is 36139879. The reversal of 36139853 is 35893163.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35893163 = 41 ⋅875443.

It is a cyclic number.

It is not a de Polignac number, because 36139853 - 2² = 36139849 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36139813) 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, 2675 + ... + 8912.

It is an arithmetic number, because the mean of its divisors is an integer number (9038640).

Almost surely, 2^36139853 is an apocalyptic number.

It is an amenable number.

36139853 is a deficient number, since it is larger than the sum of its proper divisors (14707).

36139853 is a wasteful number, since it uses less digits than its factorization.

36139853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14706.

The product of its digits is 58320, while the sum is 38.

The square root of 36139853 is about 6011.6431198134. The cubic root of 36139853 is about 330.6197505727.

The spelling of 36139853 in words is "thirty-six million, one hundred thirty-nine thousand, eight hundred fifty-three".