1389428157414 has 24 divisors (see below), whose sum is σ = 3054445372440. Its totient is φ = 421038835360.

The previous prime is 1389428157413. The next prime is 1389428157437. The reversal of 1389428157414 is 4147518249831.

It is a super-2 number, since 2×1389428157414² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389428157413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 956905719 + ... + 956907170.

It is an arithmetic number, because the mean of its divisors is an integer number (127268557185).

Almost surely, 2^{1389428157414} is an apocalyptic number.

1389428157414 is an abundant number, since it is smaller than the sum of its proper divisors (1665017215026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1389428157414 is a wasteful number, since it uses less digits than its factorization.

1389428157414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913812916 (or 1913812905 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 57.

The spelling of 1389428157414 in words is "one trillion, three hundred eighty-nine billion, four hundred twenty-eight million, one hundred fifty-seven thousand, four hundred fourteen".