972147134 has 8 divisors (see below), whose sum is σ = 1666537968. Its totient is φ = 416634480.

The previous prime is 972147133. The next prime is 972147149. The reversal of 972147134 is 431741279.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972147131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34719527 + ... + 34719554.

It is an arithmetic number, because the mean of its divisors is an integer number (208317246).

Almost surely, 2^972147134 is an apocalyptic number.

972147134 is a deficient number, since it is larger than the sum of its proper divisors (694390834).

972147134 is a wasteful number, since it uses less digits than its factorization.

972147134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69439090.

The product of its digits is 42336, while the sum is 38.

The square root of 972147134 is about 31179.2741095748. The cubic root of 972147134 is about 990.6281542211.

The spelling of 972147134 in words is "nine hundred seventy-two million, one hundred forty-seven thousand, one hundred thirty-four".