134172538 has 8 divisors (see below), whose sum is σ = 203213088. Its totient is φ = 66434844.

The previous prime is 134172499. The next prime is 134172539. The reversal of 134172538 is 835271431.

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

It is a super-2 number, since 2×134172538² = 36004539906722888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (134172539) 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, 325456 + ... + 325867.

It is an arithmetic number, because the mean of its divisors is an integer number (25401636).

Almost surely, 2^134172538 is an apocalyptic number.

134172538 is a deficient number, since it is larger than the sum of its proper divisors (69040550).

134172538 is a wasteful number, since it uses less digits than its factorization.

134172538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651428.

The product of its digits is 20160, while the sum is 34.

The square root of 134172538 is about 11583.2870118978. The cubic root of 134172538 is about 511.9425314933.

The spelling of 134172538 in words is "one hundred thirty-four million, one hundred seventy-two thousand, five hundred thirty-eight".