97502138 has 8 divisors (see below), whose sum is σ = 146603520. Its totient is φ = 48634300.

The previous prime is 97502137. The next prime is 97502149. The reversal of 97502138 is 83120579.

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

It is a junction number, because it is equal to n+sod(n) for n = 97502098 and 97502107.

It is not an unprimeable number, because it can be changed into a prime (97502131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57338 + ... + 59013.

It is an arithmetic number, because the mean of its divisors is an integer number (18325440).

Almost surely, 2^97502138 is an apocalyptic number.

97502138 is a deficient number, since it is larger than the sum of its proper divisors (49101382).

97502138 is a wasteful number, since it uses less digits than its factorization.

97502138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116772.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 97502138 is about 9874.3170903106. The cubic root of 97502138 is about 460.2615683133.

The spelling of 97502138 in words is "ninety-seven million, five hundred two thousand, one hundred thirty-eight".