36129905 has 16 divisors (see below), whose sum is σ = 50563200. Its totient is φ = 24773616.

The previous prime is 36129893. The next prime is 36129923. The reversal of 36129905 is 50992163.

It is not a de Polignac number, because 36129905 - 2¹⁴ = 36113521 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8819 + ... + 12248.

It is an arithmetic number, because the mean of its divisors is an integer number (3160200).

Almost surely, 2^36129905 is an apocalyptic number.

36129905 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

36129905 is a deficient number, since it is larger than the sum of its proper divisors (14433295).

36129905 is an equidigital number, since it uses as much as digits as its factorization.

36129905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21093 (or 21079 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 36129905 is about 6010.8156684430. The cubic root of 36129905 is about 330.5894118853.

The spelling of 36129905 in words is "thirty-six million, one hundred twenty-nine thousand, nine hundred five".