534228139 has 4 divisors (see below), whose sum is σ = 537631024.
Its totient is φ = 530825256.
The previous prime is 534228137. The next prime is 534228161. The reversal of 534228139 is 931822435.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 534228139 - 21 = 534228137 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 534228098 and 534228107.
It is not an unprimeable number, because it can be changed into a prime (534228137) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1701207 + ... + 1701520.
It is an arithmetic number, because the mean of its divisors is an integer number (134407756).
Almost surely, 2534228139 is an apocalyptic number.
534228139 is a deficient number, since it is larger than the sum of its proper divisors (3402885).
534228139 is a wasteful number, since it uses less digits than its factorization.
534228139 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3402884.
The product of its digits is 51840, while the sum is 37.
The square root of 534228139 is about 23113.3757595034.
The cubic root of 534228139 is about 811.4135450740.
The spelling of 534228139 in words is "five hundred thirty-four million, two hundred twenty-eight thousand, one hundred thirty-nine".