140193286 has 8 divisors (see below), whose sum is σ = 221357880. Its totient is φ = 66407328.

The previous prime is 140193281. The next prime is 140193323. The reversal of 140193286 is 682391041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140193281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1844611 + ... + 1844686.

It is an arithmetic number, because the mean of its divisors is an integer number (27669735).

Almost surely, 2^140193286 is an apocalyptic number.

140193286 is a deficient number, since it is larger than the sum of its proper divisors (81164594).

140193286 is a wasteful number, since it uses less digits than its factorization.

140193286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3689318.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 140193286 is about 11840.3245732539. The cubic root of 140193286 is about 519.4882613496.

The spelling of 140193286 in words is "one hundred forty million, one hundred ninety-three thousand, two hundred eighty-six".