1401265706140 has 24 divisors (see below), whose sum is σ = 2942683672320. Its totient is φ = 560501389248.

The previous prime is 1401265706131. The next prime is 1401265706171. The reversal of 1401265706140 is 416075621041.

It is a self number, because there is not a number n which added to its sum of digits gives 1401265706140.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2823274 + ... + 3282286.

It is an arithmetic number, because the mean of its divisors is an integer number (122611819680).

Almost surely, 2^{1401265706140} is an apocalyptic number.

1401265706140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1401265706140 is an abundant number, since it is smaller than the sum of its proper divisors (1541417966180).

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

1401265706140 is a wasteful number, since it uses less digits than its factorization.

1401265706140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611661 (or 611659 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 1401265706140 in words is "one trillion, four hundred one billion, two hundred sixty-five million, seven hundred six thousand, one hundred forty".