92139461 has 4 divisors (see below), whose sum is σ = 92607372. Its totient is φ = 91671552.

The previous prime is 92139457. The next prime is 92139479. The reversal of 92139461 is 16493129.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16493129 = 383 ⋅43063.

It can be written as a sum of positive squares in 2 ways, for example, as 86136961 + 6002500 = 9281^2 + 2450^2 .

It is a cyclic number.

It is not a de Polignac number, because 92139461 - 2² = 92139457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92139401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233660 + ... + 234053.

It is an arithmetic number, because the mean of its divisors is an integer number (23151843).

Almost surely, 2^92139461 is an apocalyptic number.

It is an amenable number.

92139461 is a deficient number, since it is larger than the sum of its proper divisors (467911).

92139461 is a wasteful number, since it uses less digits than its factorization.

92139461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467910.

The product of its digits is 11664, while the sum is 35.

The square root of 92139461 is about 9598.9302008088. The cubic root of 92139461 is about 451.6637359202.

The spelling of 92139461 in words is "ninety-two million, one hundred thirty-nine thousand, four hundred sixty-one".