92139930 has 80 divisors (see below), whose sum is σ = 260837280. Its totient is φ = 23273568.

The previous prime is 92139923. The next prime is 92139959. The reversal of 92139930 is 3993129.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 12397 + ... + 18383.

It is an arithmetic number, because the mean of its divisors is an integer number (3260466).

Almost surely, 2^92139930 is an apocalyptic number.

92139930 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 92139930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130418640).

92139930 is an abundant number, since it is smaller than the sum of its proper divisors (168697350).

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

92139930 is a wasteful number, since it uses less digits than its factorization.

92139930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6025 (or 6016 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 36.

The square root of 92139930 is about 9598.9546305835. The cubic root of 92139930 is about 451.6645022583.

The spelling of 92139930 in words is "ninety-two million, one hundred thirty-nine thousand, nine hundred thirty".