97139076 has 24 divisors (see below), whose sum is σ = 229852224. Its totient is φ = 31923360.

The previous prime is 97139069. The next prime is 97139099. The reversal of 97139076 is 67093179.

It is a super-2 number, since 2×97139076² = 18872000172267552, which contains 22 as substring.

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56155 + ... + 57858.

It is an arithmetic number, because the mean of its divisors is an integer number (9577176).

Almost surely, 2^97139076 is an apocalyptic number.

It is an amenable number.

97139076 is an abundant number, since it is smaller than the sum of its proper divisors (132713148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97139076 is a wasteful number, since it uses less digits than its factorization.

97139076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114091 (or 114089 counting only the distinct ones).

The product of its (nonzero) digits is 71442, while the sum is 42.

The square root of 97139076 is about 9855.9157869779. The cubic root of 97139076 is about 459.6895763219.

It can be divided in two parts, 9713 and 9076, that multiplied together give a palindrome (88155188).

The spelling of 97139076 in words is "ninety-seven million, one hundred thirty-nine thousand, seventy-six".