97381264139 has 8 divisors (see below), whose sum is σ = 98190601248. Its totient is φ = 96573355200.

The previous prime is 97381264133. The next prime is 97381264147. The reversal of 97381264139 is 93146218379.

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 97381264139 - 2³⁶ = 28661787403 is a prime.

It is a super-2 number, since 2×97381264139² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97381264133) 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, 219887 + ... + 493064.

It is an arithmetic number, because the mean of its divisors is an integer number (12273825156).

Almost surely, 2^97381264139 is an apocalyptic number.

97381264139 is a deficient number, since it is larger than the sum of its proper divisors (809337109).

97381264139 is a wasteful number, since it uses less digits than its factorization.

97381264139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714085.

The product of its digits is 1959552, while the sum is 53.

The spelling of 97381264139 in words is "ninety-seven billion, three hundred eighty-one million, two hundred sixty-four thousand, one hundred thirty-nine".