874066139 has 8 divisors (see below), whose sum is σ = 921968640. Its totient is φ = 826353576.

The previous prime is 874066099. The next prime is 874066183. The reversal of 874066139 is 931660478.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-874066139 is a prime.

It is a super-3 number, since 3×874066139³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 874066139.

It is not an unprimeable number, because it can be changed into a prime (874066189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37979 + ... + 56484.

It is an arithmetic number, because the mean of its divisors is an integer number (115246080).

Almost surely, 2^874066139 is an apocalyptic number.

874066139 is a deficient number, since it is larger than the sum of its proper divisors (47902501).

874066139 is a wasteful number, since it uses less digits than its factorization.

874066139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94969.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 874066139 is about 29564.6095695512. The cubic root of 874066139 is about 956.1252013420.

The spelling of 874066139 in words is "eight hundred seventy-four million, sixty-six thousand, one hundred thirty-nine".