140056554 has 64 divisors (see below), whose sum is σ = 312947712. Its totient is φ = 41433600.

The previous prime is 140056537. The next prime is 140056561. The reversal of 140056554 is 455650041.

140056554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 838579 + ... + 838745.

It is an arithmetic number, because the mean of its divisors is an integer number (4889808).

Almost surely, 2^140056554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140056554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156473856).

140056554 is an abundant number, since it is smaller than the sum of its proper divisors (172891158).

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

140056554 is a wasteful number, since it uses less digits than its factorization.

140056554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 140056554 is about 11834.5491675856. The cubic root of 140056554 is about 519.3193189420.

The spelling of 140056554 in words is "one hundred forty million, fifty-six thousand, five hundred fifty-four".