140489148 has 96 divisors (see below), whose sum is σ = 355461120. Its totient is φ = 43096320.

The previous prime is 140489143. The next prime is 140489149. The reversal of 140489148 is 841984041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140489143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 811990 + ... + 812162.

It is an arithmetic number, because the mean of its divisors is an integer number (3702720).

Almost surely, 2^140489148 is an apocalyptic number.

It is an amenable number.

140489148 is an abundant number, since it is smaller than the sum of its proper divisors (214971972).

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

140489148 is a wasteful number, since it uses less digits than its factorization.

140489148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 140489148 is about 11852.8118182986. The cubic root of 140489148 is about 519.8534448926.

The spelling of 140489148 in words is "one hundred forty million, four hundred eighty-nine thousand, one hundred forty-eight".