97459139 has 2 divisors, whose sum is σ = 97459140. Its totient is φ = 97459138.

The previous prime is 97459129. The next prime is 97459213. The reversal of 97459139 is 93195479.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97459139 - 2⁸ = 97458883 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 97459093 and 97459102.

It is not a weakly prime, because it can be changed into another prime (97459129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48729569 + 48729570.

It is an arithmetic number, because the mean of its divisors is an integer number (48729570).

Almost surely, 2^97459139 is an apocalyptic number.

97459139 is a deficient number, since it is larger than the sum of its proper divisors (1).

97459139 is an equidigital number, since it uses as much as digits as its factorization.

97459139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 306180, while the sum is 47.

The square root of 97459139 is about 9872.1395350755. The cubic root of 97459139 is about 460.1938990376.

The spelling of 97459139 in words is "ninety-seven million, four hundred fifty-nine thousand, one hundred thirty-nine".