140528248 has 16 divisors (see below), whose sum is σ = 301132080. Its totient is φ = 60226368.

The previous prime is 140528231. The next prime is 140528249. The reversal of 140528248 is 842825041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140528249) 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, 1254661 + ... + 1254772.

It is an arithmetic number, because the mean of its divisors is an integer number (18820755).

Almost surely, 2^140528248 is an apocalyptic number.

It is an amenable number.

140528248 is an abundant number, since it is smaller than the sum of its proper divisors (160603832).

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

140528248 is a wasteful number, since it uses less digits than its factorization.

140528248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2509446 (or 2509442 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 140528248 is about 11854.4611012057. The cubic root of 140528248 is about 519.9016677970.

The spelling of 140528248 in words is "one hundred forty million, five hundred twenty-eight thousand, two hundred forty-eight".