140069412 has 120 divisors (see below), whose sum is σ = 422280320. Its totient is φ = 39657600.

The previous prime is 140069411. The next prime is 140069417. The reversal of 140069412 is 214960041.

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

It is not an unprimeable number, because it can be changed into a prime (140069411) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 342264 + ... + 342672.

Almost surely, 2^140069412 is an apocalyptic number.

140069412 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 140069412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211140160).

140069412 is an abundant number, since it is smaller than the sum of its proper divisors (282210908).

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

140069412 is a wasteful number, since it uses less digits than its factorization.

140069412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583 (or 572 counting only the distinct ones).

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

The square root of 140069412 is about 11835.0923950766. The cubic root of 140069412 is about 519.3352106259.

The spelling of 140069412 in words is "one hundred forty million, sixty-nine thousand, four hundred twelve".