1397772020214 has 160 divisors (see below), whose sum is σ = 3358821413376. Its totient is φ = 432918224640.

The previous prime is 1397772020209. The next prime is 1397772020261. The reversal of 1397772020214 is 4120202777931.

1397772020214 is a `hidden beast` number, since 1 + 397 + 7 + 7 + 20 + 20 + 214 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1397772020214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 93884679 + ... + 93899565.

Almost surely, 2^{1397772020214} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1397772020214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1679410706688).

1397772020214 is an abundant number, since it is smaller than the sum of its proper divisors (1961049393162).

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

1397772020214 is a wasteful number, since it uses less digits than its factorization.

1397772020214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15352 (or 15343 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The spelling of 1397772020214 in words is "one trillion, three hundred ninety-seven billion, seven hundred seventy-two million, twenty thousand, two hundred fourteen".