102746539 has 4 divisors (see below), whose sum is σ = 117424624. Its totient is φ = 88068456.

The previous prime is 102746519. The next prime is 102746549. The reversal of 102746539 is 935647201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 935647201 = 2621 ⋅356981.

It is not a de Polignac number, because 102746539 - 2¹⁵ = 102713771 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102746498 and 102746507.

It is not an unprimeable number, because it can be changed into a prime (102746519) 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, 7339032 + ... + 7339045.

It is an arithmetic number, because the mean of its divisors is an integer number (29356156).

Almost surely, 2^102746539 is an apocalyptic number.

102746539 is a deficient number, since it is larger than the sum of its proper divisors (14678085).

102746539 is an equidigital number, since it uses as much as digits as its factorization.

102746539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14678084.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 102746539 is about 10136.3967463789. The cubic root of 102746539 is about 468.3699971156.

It can be divided in two parts, 102746 and 539, that added together give a triangular number (103285 = T₄₅₄).

The spelling of 102746539 in words is "one hundred two million, seven hundred forty-six thousand, five hundred thirty-nine".