140191084 has 36 divisors (see below), whose sum is σ = 271472152. Its totient is φ = 63296640.

The previous prime is 140191033. The next prime is 140191087. The reversal of 140191084 is 480191041.

It is not an unprimeable number, because it can be changed into a prime (140191087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78004 + ... + 79780.

Almost surely, 2^140191084 is an apocalyptic number.

It is an amenable number.

140191084 is a deficient number, since it is larger than the sum of its proper divisors (131281068).

140191084 is a wasteful number, since it uses less digits than its factorization.

140191084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966 (or 1953 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 140191084 is about 11840.2315855730. The cubic root of 140191084 is about 519.4855414876.

The spelling of 140191084 in words is "one hundred forty million, one hundred ninety-one thousand, eighty-four".