1420731114 has 128 divisors (see below), whose sum is σ = 3351214080. Its totient is φ = 397267200.

The previous prime is 1420731113. The next prime is 1420731131. The reversal of 1420731114 is 4111370241.

It is not an unprimeable number, because it can be changed into a prime (1420731113) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6203952 + ... + 6204180.

It is an arithmetic number, because the mean of its divisors is an integer number (26181360).

Almost surely, 2^1420731114 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420731114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1675607040).

1420731114 is an abundant number, since it is smaller than the sum of its proper divisors (1930482966).

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

1420731114 is a wasteful number, since it uses less digits than its factorization.

1420731114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 1420731114 is about 37692.5869900170. The cubic root of 1420731114 is about 1124.1837342066.

The spelling of 1420731114 in words is "one billion, four hundred twenty million, seven hundred thirty-one thousand, one hundred fourteen".