2542139354 has 8 divisors (see below), whose sum is σ = 3979000800. Its totient is φ = 1215805756.

The previous prime is 2542139293. The next prime is 2542139381. The reversal of 2542139354 is 4539312452.

It is a happy number.

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

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, 27631904 + ... + 27631995.

It is an arithmetic number, because the mean of its divisors is an integer number (497375100).

Almost surely, 2^2542139354 is an apocalyptic number.

2542139354 is a deficient number, since it is larger than the sum of its proper divisors (1436861446).

2542139354 is a wasteful number, since it uses less digits than its factorization.

2542139354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55263924.

The product of its digits is 129600, while the sum is 38.

The square root of 2542139354 is about 50419.6326246037. The cubic root of 2542139354 is about 1364.7919470725.

The spelling of 2542139354 in words is "two billion, five hundred forty-two million, one hundred thirty-nine thousand, three hundred fifty-four".