140354934291 has 48 divisors (see below), whose sum is σ = 238469972832. Its totient is φ = 78424012800.

The previous prime is 140354934283. The next prime is 140354934299. The reversal of 140354934291 is 192439453041.

140354934291 is a `hidden beast` number, since 1 + 4 + 0 + 35 + 493 + 42 + 91 = 666.

It is an interprime number because it is at equal distance from previous prime (140354934283) and next prime (140354934299).

It is not a de Polignac number, because 140354934291 - 2³ = 140354934283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140354934299) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 990211 + ... + 1123043.

It is an arithmetic number, because the mean of its divisors is an integer number (4968124434).

Almost surely, 2^140354934291 is an apocalyptic number.

140354934291 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

140354934291 is a deficient number, since it is larger than the sum of its proper divisors (98115038541).

140354934291 is a wasteful number, since it uses less digits than its factorization.

140354934291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133684 (or 133681 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 140354934291 in words is "one hundred forty billion, three hundred fifty-four million, nine hundred thirty-four thousand, two hundred ninety-one".