39120223421 has 8 divisors (see below), whose sum is σ = 42757588224. Its totient is φ = 35631322560.

The previous prime is 39120223393. The next prime is 39120223459. The reversal of 39120223421 is 12432202193.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 39120223421 - 2¹⁴ = 39120207037 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 (39120223921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37115435 + ... + 37116488.

It is an arithmetic number, because the mean of its divisors is an integer number (5344698528).

Almost surely, 2^39120223421 is an apocalyptic number.

39120223421 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

39120223421 is a deficient number, since it is larger than the sum of its proper divisors (3637364803).

39120223421 is a wasteful number, since it uses less digits than its factorization.

39120223421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74231971.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 39120223421 in words is "thirty-nine billion, one hundred twenty million, two hundred twenty-three thousand, four hundred twenty-one".