140030892 has 36 divisors (see below), whose sum is σ = 355400136. Its totient is φ = 46488000.

The previous prime is 140030861. The next prime is 140030899. The reversal of 140030892 is 298030041.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (140030899) 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, 1288 + ... + 16784.

It is an arithmetic number, because the mean of its divisors is an integer number (9872226).

Almost surely, 2^140030892 is an apocalyptic number.

140030892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140030892 is an abundant number, since it is smaller than the sum of its proper divisors (215369244).

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

140030892 is a wasteful number, since it uses less digits than its factorization.

140030892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15758 (or 15753 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 140030892 is about 11833.4649194562. The cubic root of 140030892 is about 519.2875994068.

The spelling of 140030892 in words is "one hundred forty million, thirty thousand, eight hundred ninety-two".