140608890 has 48 divisors (see below), whose sum is σ = 381483648. Its totient is φ = 35864928.

The previous prime is 140608879. The next prime is 140608927. The reversal of 140608890 is 98806041.

It is a happy number.

140608890 is a `hidden beast` number, since 1 + 40 + 608 + 8 + 9 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31894 + ... + 36033.

It is an arithmetic number, because the mean of its divisors is an integer number (7947576).

Almost surely, 2^140608890 is an apocalyptic number.

140608890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140608890 is an abundant number, since it is smaller than the sum of its proper divisors (240874758).

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

140608890 is a wasteful number, since it uses less digits than its factorization.

140608890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67963 (or 67960 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 140608890 is about 11857.8619489350. The cubic root of 140608890 is about 520.0010971377.

The spelling of 140608890 in words is "one hundred forty million, six hundred eight thousand, eight hundred ninety".