140193468 has 36 divisors (see below), whose sum is σ = 355614168. Its totient is φ = 46568160.

The previous prime is 140193461. The next prime is 140193497. The reversal of 140193468 is 864391041.

140193468 is a `hidden beast` number, since 1 + 4 + 0 + 193 + 468 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140193461) 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, 3903 + ... + 17193.

Almost surely, 2^140193468 is an apocalyptic number.

140193468 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

140193468 is an abundant number, since it is smaller than the sum of its proper divisors (215420700).

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

140193468 is a wasteful number, since it uses less digits than its factorization.

140193468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13594 (or 13589 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 140193468 is about 11840.3322588515. The cubic root of 140193468 is about 519.4884861507.

The spelling of 140193468 in words is "one hundred forty million, one hundred ninety-three thousand, four hundred sixty-eight".