164135542 has 8 divisors (see below), whose sum is σ = 246753000. Its totient is φ = 81884544.

The previous prime is 164135507. The next prime is 164135549. The reversal of 164135542 is 245531461.

It is a happy number.

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

It is a super-2 number, since 2×164135542² = 53880952295267528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164135549) 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, 90492 + ... + 92287.

It is an arithmetic number, because the mean of its divisors is an integer number (30844125).

Almost surely, 2^164135542 is an apocalyptic number.

164135542 is a deficient number, since it is larger than the sum of its proper divisors (82617458).

164135542 is a wasteful number, since it uses less digits than its factorization.

164135542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183230.

The product of its digits is 14400, while the sum is 31.

The square root of 164135542 is about 12811.5394078932. The cubic root of 164135542 is about 547.5211220419.

The spelling of 164135542 in words is "one hundred sixty-four million, one hundred thirty-five thousand, five hundred forty-two".