140182992 has 90 divisors (see below), whose sum is σ = 405781506. Its totient is φ = 45175680.

The previous prime is 140182957. The next prime is 140183009. The reversal of 140182992 is 299281041.

It can be written as a sum of positive squares in only one way, i.e., 73205136 + 66977856 = 8556^2 + 8184^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 17 ways as a sum of consecutive naturals, for example, 137878 + ... + 138890.

Almost surely, 2^140182992 is an apocalyptic number.

140182992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140182992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202890753).

140182992 is an abundant number, since it is smaller than the sum of its proper divisors (265598514).

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

140182992 is a wasteful number, since it uses less digits than its factorization.

140182992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089 (or 1049 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 140182992 is about 11839.8898643526. The cubic root of 140182992 is about 519.4755461827.

The spelling of 140182992 in words is "one hundred forty million, one hundred eighty-two thousand, nine hundred ninety-two".