97139441 has 8 divisors (see below), whose sum is σ = 111116544. Its totient is φ = 83187360.

The previous prime is 97139437. The next prime is 97139447. The reversal of 97139441 is 14493179.

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

It is a cyclic number.

It is not a de Polignac number, because 97139441 - 2² = 97139437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97139395 and 97139404.

It is not an unprimeable number, because it can be changed into a prime (97139447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2981 + ... + 14253.

It is an arithmetic number, because the mean of its divisors is an integer number (13889568).

Almost surely, 2^97139441 is an apocalyptic number.

It is an amenable number.

97139441 is a deficient number, since it is larger than the sum of its proper divisors (13977103).

97139441 is a wasteful number, since it uses less digits than its factorization.

97139441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12511.

The product of its digits is 27216, while the sum is 38.

The square root of 97139441 is about 9855.9343037583. The cubic root of 97139441 is about 459.6901520823.

The spelling of 97139441 in words is "ninety-seven million, one hundred thirty-nine thousand, four hundred forty-one".