140168649348 has 108 divisors (see below), whose sum is σ = 438476420928. Its totient is φ = 36967544640.

The previous prime is 140168649317. The next prime is 140168649349. The reversal of 140168649348 is 843946861041.

140168649348 is a `hidden beast` number, since 140 + 1 + 6 + 8 + 6 + 493 + 4 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 140168649294 and 140168649303.

It is not an unprimeable number, because it can be changed into a prime (140168649349) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1603048 + ... + 1688223.

Almost surely, 2^140168649348 is an apocalyptic number.

140168649348 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

140168649348 is an abundant number, since it is smaller than the sum of its proper divisors (298307771580).

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

140168649348 is a wasteful number, since it uses less digits than its factorization.

140168649348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3291314 (or 3291296 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 140168649348 in words is "one hundred forty billion, one hundred sixty-eight million, six hundred forty-nine thousand, three hundred forty-eight".