140987466 has 40 divisors (see below), whose sum is σ = 316594080. Its totient is φ = 46895112.

The previous prime is 140987461. The next prime is 140987489. The reversal of 140987466 is 664789041.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140987461) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 148405 + ... + 149351.

It is an arithmetic number, because the mean of its divisors is an integer number (7914852).

Almost surely, 2^140987466 is an apocalyptic number.

140987466 is an abundant number, since it is smaller than the sum of its proper divisors (175606614).

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

140987466 is an equidigital number, since it uses as much as digits as its factorization.

140987466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880 (or 1871 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 140987466 is about 11873.8142986995. The cubic root of 140987466 is about 520.4673633499.

The spelling of 140987466 in words is "one hundred forty million, nine hundred eighty-seven thousand, four hundred sixty-six".