100340239 has 4 divisors (see below), whose sum is σ = 106242624. Its totient is φ = 94437856.

The previous prime is 100340153. The next prime is 100340249. The reversal of 100340239 is 932043001.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 100340239 - 2²¹ = 98243087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100340249) 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, 2951167 + ... + 2951200.

It is an arithmetic number, because the mean of its divisors is an integer number (26560656).

Almost surely, 2^100340239 is an apocalyptic number.

100340239 is a deficient number, since it is larger than the sum of its proper divisors (5902385).

100340239 is an equidigital number, since it uses as much as digits as its factorization.

100340239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5902384.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 100340239 is about 10016.9975042425. The cubic root of 100340239 is about 464.6847039769.

The spelling of 100340239 in words is "one hundred million, three hundred forty thousand, two hundred thirty-nine".