140506120 has 16 divisors (see below), whose sum is σ = 316138860. Its totient is φ = 56202432.

The previous prime is 140506117. The next prime is 140506141. The reversal of 140506120 is 21605041.

It can be written as a sum of positive squares in 2 ways, for example, as 139192804 + 1313316 = 11798^2 + 1146^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1756287 + ... + 1756366.

Almost surely, 2^140506120 is an apocalyptic number.

140506120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140506120 is an abundant number, since it is smaller than the sum of its proper divisors (175632740).

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

140506120 is a wasteful number, since it uses less digits than its factorization.

140506120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3512664 (or 3512660 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 140506120 is about 11853.5277449374. The cubic root of 140506120 is about 519.8743779386.

The spelling of 140506120 in words is "one hundred forty million, five hundred six thousand, one hundred twenty".