140861952 has 240 divisors, whose sum is σ = 508128192. Its totient is φ = 36495360.

The previous prime is 140861947. The next prime is 140861971. The reversal of 140861952 is 259168041.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 354618 + ... + 355014.

Almost surely, 2^140861952 is an apocalyptic number.

140861952 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 140861952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254064096).

140861952 is an abundant number, since it is smaller than the sum of its proper divisors (367266240).

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

140861952 is a wasteful number, since it uses less digits than its factorization.

140861952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 140861952 is about 11868.5277941285. The cubic root of 140861952 is about 520.3128689173.

The spelling of 140861952 in words is "one hundred forty million, eight hundred sixty-one thousand, nine hundred fifty-two".