140435460 has 144 divisors (see below), whose sum is σ = 489303360. Its totient is φ = 32244480.

The previous prime is 140435443. The next prime is 140435473. The reversal of 140435460 is 64534041.

140435460 = T₁₀₉ + T₁₁₀ + ... + T₉₄₄.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35754 + ... + 39486.

It is an arithmetic number, because the mean of its divisors is an integer number (3397940).

Almost surely, 2^140435460 is an apocalyptic number.

140435460 is a gapful number since it is divisible by the number (10) 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 140435460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244651680).

140435460 is an abundant number, since it is smaller than the sum of its proper divisors (348867900).

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

140435460 is a wasteful number, since it uses less digits than its factorization.

140435460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3778 (or 3773 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 140435460 is about 11850.5468228264. The cubic root of 140435460 is about 519.7872157018.

It can be divided in two parts, 14043 and 5460, that added together give a triangular number (19503 = T₁₉₇).

The spelling of 140435460 in words is "one hundred forty million, four hundred thirty-five thousand, four hundred sixty".