140347356 has 96 divisors (see below), whose sum is σ = 353928960. Its totient is φ = 43201536.

The previous prime is 140347343. The next prime is 140347381. The reversal of 140347356 is 653743041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1241956 + ... + 1242068.

It is an arithmetic number, because the mean of its divisors is an integer number (3686760).

Almost surely, 2^140347356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140347356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176964480).

140347356 is an abundant number, since it is smaller than the sum of its proper divisors (213581604).

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

140347356 is a wasteful number, since it uses less digits than its factorization.

140347356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 140347356 is about 11846.8289428015. The cubic root of 140347356 is about 519.6784945546.

The spelling of 140347356 in words is "one hundred forty million, three hundred forty-seven thousand, three hundred fifty-six".