1439628457157 has 8 divisors (see below), whose sum is σ = 1574878438080. Its totient is φ = 1305107587360.

The previous prime is 1439628457109. The next prime is 1439628457231. The reversal of 1439628457157 is 7517548269341.

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 1439628457157 - 2³⁰ = 1438554715333 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1439628457157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1439628457457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182273648 + ... + 182281545.

It is an arithmetic number, because the mean of its divisors is an integer number (196859804760).

Almost surely, 2^{1439628457157} is an apocalyptic number.

It is an amenable number.

1439628457157 is a deficient number, since it is larger than the sum of its proper divisors (135249980923).

1439628457157 is a wasteful number, since it uses less digits than its factorization.

1439628457157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364555563.

The product of its digits is 50803200, while the sum is 62.

The spelling of 1439628457157 in words is "one trillion, four hundred thirty-nine billion, six hundred twenty-eight million, four hundred fifty-seven thousand, one hundred fifty-seven".