140788668 has 12 divisors (see below), whose sum is σ = 328506920. Its totient is φ = 46929552.

The previous prime is 140788643. The next prime is 140788693. The reversal of 140788668 is 866887041.

It is an interprime number because it is at equal distance from previous prime (140788643) and next prime (140788693).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×140788668³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5866183 + ... + 5866206.

Almost surely, 2^140788668 is an apocalyptic number.

It is an amenable number.

140788668 is an abundant number, since it is smaller than the sum of its proper divisors (187718252).

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

140788668 is a wasteful number, since it uses less digits than its factorization.

140788668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11732396 (or 11732394 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The square root of 140788668 is about 11865.4400676924. The cubic root of 140788668 is about 520.2226216405. Note that the first 3 decimals are identical.

The spelling of 140788668 in words is "one hundred forty million, seven hundred eighty-eight thousand, six hundred sixty-eight".