13402120230542 has 8 divisors (see below), whose sum is σ = 20103328394856. Its totient is φ = 6701010765592.

The previous prime is 13402120230533. The next prime is 13402120230589. The reversal of 13402120230542 is 24503202120431.

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

It is a super-2 number, since 2×13402120230542² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24334433 + ... + 24879084.

It is an arithmetic number, because the mean of its divisors is an integer number (2512916049357).

Almost surely, 2^{13402120230542} is an apocalyptic number.

13402120230542 is a deficient number, since it is larger than the sum of its proper divisors (6701208164314).

13402120230542 is a wasteful number, since it uses less digits than its factorization.

13402120230542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49349682.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 13402120230542 its reverse (24503202120431), we get a palindrome (37905322350973).

The spelling of 13402120230542 in words is "thirteen trillion, four hundred two billion, one hundred twenty million, two hundred thirty thousand, five hundred forty-two".