140746256541464 has 32 divisors (see below), whose sum is σ = 301735777121280. Its totient is φ = 60292493039904.

The previous prime is 140746256541421. The next prime is 140746256541467. The reversal of 140746256541464 is 464145652647041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140746256541467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569275142 + ... + 569522325.

It is an arithmetic number, because the mean of its divisors is an integer number (9429243035040).

Almost surely, 2^{140746256541464} is an apocalyptic number.

140746256541464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

140746256541464 is an abundant number, since it is smaller than the sum of its proper divisors (160989520579816).

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

140746256541464 is a wasteful number, since it uses less digits than its factorization.

140746256541464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138799687 (or 1138799683 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 59.

The spelling of 140746256541464 in words is "one hundred forty trillion, seven hundred forty-six billion, two hundred fifty-six million, five hundred forty-one thousand, four hundred sixty-four".