140740673481 has 12 divisors (see below), whose sum is σ = 203299518708. Its totient is φ = 93823684224.

The previous prime is 140740673471. The next prime is 140740673501. The reversal of 140740673481 is 184376047041.

140740673481 is a `hidden beast` number, since 1 + 40 + 74 + 0 + 67 + 3 + 481 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 68704797456 + 72035876025 = 262116^2 + 268395^2 .

It is not a de Polignac number, because 140740673481 - 2¹⁴ = 140740657097 is a prime.

It is a super-2 number, since 2×140740673481² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140740673461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12420 + ... + 530693.

It is an arithmetic number, because the mean of its divisors is an integer number (16941626559).

Almost surely, 2^140740673481 is an apocalyptic number.

It is an amenable number.

140740673481 is a deficient number, since it is larger than the sum of its proper divisors (62558845227).

140740673481 is a wasteful number, since it uses less digits than its factorization.

140740673481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571912 (or 571909 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 140740673481 in words is "one hundred forty billion, seven hundred forty million, six hundred seventy-three thousand, four hundred eighty-one".