140691048 has 64 divisors (see below), whose sum is σ = 392040000. Its totient is φ = 41812992.

The previous prime is 140691037. The next prime is 140691053. The reversal of 140691048 is 840196041.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1323 + ... + 16826.

It is an arithmetic number, because the mean of its divisors is an integer number (6125625).

Almost surely, 2^140691048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140691048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196020000).

140691048 is an abundant number, since it is smaller than the sum of its proper divisors (251348952).

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

140691048 is a wasteful number, since it uses less digits than its factorization.

140691048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18194 (or 18190 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 140691048 is about 11861.3257269160. The cubic root of 140691048 is about 520.1023565767.

The spelling of 140691048 in words is "one hundred forty million, six hundred ninety-one thousand, forty-eight".