140102084 has 24 divisors (see below), whose sum is σ = 257012448. Its totient is φ = 66749760.

The previous prime is 140102077. The next prime is 140102087. The reversal of 140102084 is 480201041.

It is a super-2 number, since 2×140102084² = 39257187882286112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140102087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2882 + ... + 16985.

It is an arithmetic number, because the mean of its divisors is an integer number (10708852).

Almost surely, 2^140102084 is an apocalyptic number.

It is an amenable number.

140102084 is a deficient number, since it is larger than the sum of its proper divisors (116910364).

140102084 is a wasteful number, since it uses less digits than its factorization.

140102084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19955 (or 19953 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 140102084 is about 11836.4726164512. The cubic root of 140102084 is about 519.3755868000.

The spelling of 140102084 in words is "one hundred forty million, one hundred two thousand, eighty-four".