140348256 has 96 divisors (see below), whose sum is σ = 381024000. Its totient is φ = 45212160.

The previous prime is 140348239. The next prime is 140348279. The reversal of 140348256 is 652843041.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401970 + ... + 402318.

It is an arithmetic number, because the mean of its divisors is an integer number (3969000).

Almost surely, 2^140348256 is an apocalyptic number.

140348256 is a gapful number since it is divisible by the number (16) 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 140348256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190512000).

140348256 is an abundant number, since it is smaller than the sum of its proper divisors (240675744).

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

140348256 is a wasteful number, since it uses less digits than its factorization.

140348256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 140348256 is about 11846.8669275889. The cubic root of 140348256 is about 519.6796053928.

The spelling of 140348256 in words is "one hundred forty million, three hundred forty-eight thousand, two hundred fifty-six".