140783740 has 12 divisors (see below), whose sum is σ = 295645896. Its totient is φ = 56313488.

The previous prime is 140783737. The next prime is 140783761. The reversal of 140783740 is 47387041.

It is a super-2 number, since 2×140783740² = 39640122896775200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140783696 and 140783705.

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 3 ways as a sum of consecutive naturals, for example, 3519574 + ... + 3519613.

It is an arithmetic number, because the mean of its divisors is an integer number (24637158).

Almost surely, 2^140783740 is an apocalyptic number.

140783740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140783740 is an abundant number, since it is smaller than the sum of its proper divisors (154862156).

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

140783740 is a wasteful number, since it uses less digits than its factorization.

140783740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7039196 (or 7039194 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 140783740 is about 11865.2324039607. The cubic root of 140783740 is about 520.2165518172.

The spelling of 140783740 in words is "one hundred forty million, seven hundred eighty-three thousand, seven hundred forty".