164040135 has 16 divisors (see below), whose sum is σ = 299959296. Its totient is φ = 74989728.

The previous prime is 164040131. The next prime is 164040143. The reversal of 164040135 is 531040461.

It is not a de Polignac number, because 164040135 - 2² = 164040131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164040131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 781039 + ... + 781248.

It is an arithmetic number, because the mean of its divisors is an integer number (18747456).

Almost surely, 2^164040135 is an apocalyptic number.

164040135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164040135 is a deficient number, since it is larger than the sum of its proper divisors (135919161).

164040135 is a wasteful number, since it uses less digits than its factorization.

164040135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562302.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 164040135 is about 12807.8153874890. The cubic root of 164040135 is about 547.4150156868.

Adding to 164040135 its reverse (531040461), we get a palindrome (695080596).

The spelling of 164040135 in words is "one hundred sixty-four million, forty thousand, one hundred thirty-five".