54142121342 has 8 divisors (see below), whose sum is σ = 81805979376. Its totient is φ = 26873461552.

The previous prime is 54142121323. The next prime is 54142121357. The reversal of 54142121342 is 24312124145.

It is a happy number.

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

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, 98799218 + ... + 98799765.

It is an arithmetic number, because the mean of its divisors is an integer number (10225747422).

Almost surely, 2^54142121342 is an apocalyptic number.

54142121342 is a deficient number, since it is larger than the sum of its proper divisors (27663858034).

54142121342 is a wasteful number, since it uses less digits than its factorization.

54142121342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197599122.

The product of its digits is 7680, while the sum is 29.

Adding to 54142121342 its reverse (24312124145), we get a palindrome (78454245487).

The spelling of 54142121342 in words is "fifty-four billion, one hundred forty-two million, one hundred twenty-one thousand, three hundred forty-two".