4357121654139 has 4 divisors (see below), whose sum is σ = 5809495538856. Its totient is φ = 2904747769424.

The previous prime is 4357121654069. The next prime is 4357121654153. The reversal of 4357121654139 is 9314561217534.

4357121654139 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4357121654139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4357121654091 and 4357121654100.

It is not an unprimeable number, because it can be changed into a prime (4357121654239) 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, 726186942354 + ... + 726186942359.

It is an arithmetic number, because the mean of its divisors is an integer number (1452373884714).

Almost surely, 2^{4357121654139} is an apocalyptic number.

4357121654139 is a deficient number, since it is larger than the sum of its proper divisors (1452373884717).

4357121654139 is a wasteful number, since it uses less digits than its factorization.

4357121654139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452373884716.

The product of its digits is 2721600, while the sum is 51.

The spelling of 4357121654139 in words is "four trillion, three hundred fifty-seven billion, one hundred twenty-one million, six hundred fifty-four thousand, one hundred thirty-nine".