140916240 has 80 divisors (see below), whose sum is σ = 485385600. Its totient is φ = 37577088.

The previous prime is 140916229. The next prime is 140916287. The reversal of 140916240 is 42619041.

140916240 is a `hidden beast` number, since 1 + 409 + 16 + 240 = 666.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30460 + ... + 34779.

It is an arithmetic number, because the mean of its divisors is an integer number (6067320).

Almost surely, 2^140916240 is an apocalyptic number.

140916240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140916240 is an abundant number, since it is smaller than the sum of its proper divisors (344469360).

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

140916240 is a wasteful number, since it uses less digits than its factorization.

140916240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65261 (or 65249 counting only the distinct ones).

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

The square root of 140916240 is about 11870.8146308499. The cubic root of 140916240 is about 520.3797029503.

The spelling of 140916240 in words is "one hundred forty million, nine hundred sixteen thousand, two hundred forty".