97138071 has 12 divisors (see below), whose sum is σ = 141888240. Its totient is φ = 64030560.

The previous prime is 97138043. The next prime is 97138073. The reversal of 97138071 is 17083179.

It is a de Polignac number, because none of the positive numbers 2^k-97138071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97138073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59835 + ... + 61436.

It is an arithmetic number, because the mean of its divisors is an integer number (11824020).

Almost surely, 2^97138071 is an apocalyptic number.

97138071 is a deficient number, since it is larger than the sum of its proper divisors (44750169).

97138071 is a wasteful number, since it uses less digits than its factorization.

97138071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121366 (or 121363 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 97138071 is about 9855.8648022383. The cubic root of 97138071 is about 459.6879910017.

The spelling of 97138071 in words is "ninety-seven million, one hundred thirty-eight thousand, seventy-one".