140617442 has 24 divisors (see below), whose sum is σ = 254422656. Its totient is φ = 57090744.

The previous prime is 140617429. The next prime is 140617453. The reversal of 140617442 is 244716041.

It is a happy number.

140617442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8858 + ... + 18965.

It is an arithmetic number, because the mean of its divisors is an integer number (10600944).

Almost surely, 2^140617442 is an apocalyptic number.

140617442 is a deficient number, since it is larger than the sum of its proper divisors (113805214).

140617442 is a wasteful number, since it uses less digits than its factorization.

140617442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27870 (or 27851 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 140617442 is about 11858.2225480887. Note that the first 3 decimals coincide. The cubic root of 140617442 is about 520.0116392858.

The spelling of 140617442 in words is "one hundred forty million, six hundred seventeen thousand, four hundred forty-two".