140156412 has 48 divisors (see below), whose sum is σ = 359087232. Its totient is φ = 42194880.

The previous prime is 140156339. The next prime is 140156417. The reversal of 140156412 is 214651041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140156417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17343 + ... + 24105.

It is an arithmetic number, because the mean of its divisors is an integer number (7480984).

Almost surely, 2^140156412 is an apocalyptic number.

140156412 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 140156412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179543616).

140156412 is an abundant number, since it is smaller than the sum of its proper divisors (218930820).

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

140156412 is a wasteful number, since it uses less digits than its factorization.

140156412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6938 (or 6936 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 140156412 is about 11838.7673344821. The cubic root of 140156412 is about 519.4427116413.

The spelling of 140156412 in words is "one hundred forty million, one hundred fifty-six thousand, four hundred twelve".