1420476513156 has 120 divisors (see below), whose sum is σ = 3797594082744. Its totient is φ = 462872309760.

The previous prime is 1420476513149. The next prime is 1420476513161. The reversal of 1420476513156 is 6513156740241.

It is a happy number.

1420476513156 is a `hidden beast` number, since 1 + 4 + 20 + 476 + 5 + 1 + 3 + 156 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 117111790656 + 1303364722500 = 342216^2 + 1141650^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2406936 + ... + 2938416.

Almost surely, 2^{1420476513156} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420476513156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1898797041372).

1420476513156 is an abundant number, since it is smaller than the sum of its proper divisors (2377117569588).

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

1420476513156 is a wasteful number, since it uses less digits than its factorization.

1420476513156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531683 (or 531672 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 1420476513156 in words is "one trillion, four hundred twenty billion, four hundred seventy-six million, five hundred thirteen thousand, one hundred fifty-six".