140321646783454 has 32 divisors (see below), whose sum is σ = 221441213435904. Its totient is φ = 66558717894240.

The previous prime is 140321646783401. The next prime is 140321646783463. The reversal of 140321646783454 is 454387646123041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3324867 + ... + 17079169.

It is an arithmetic number, because the mean of its divisors is an integer number (6920037919872).

Almost surely, 2^{140321646783454} is an apocalyptic number.

140321646783454 is a deficient number, since it is larger than the sum of its proper divisors (81119566652450).

140321646783454 is a wasteful number, since it uses less digits than its factorization.

140321646783454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13756152.

The product of its (nonzero) digits is 46448640, while the sum is 58.

The spelling of 140321646783454 in words is "one hundred forty trillion, three hundred twenty-one billion, six hundred forty-six million, seven hundred eighty-three thousand, four hundred fifty-four".