354020140 has 48 divisors (see below), whose sum is σ = 778921920. Its totient is φ = 134900480.

The previous prime is 354020131. The next prime is 354020203. The reversal of 354020140 is 41020453.

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, 122310 + ... + 125170.

It is an arithmetic number, because the mean of its divisors is an integer number (16227540).

Almost surely, 2^354020140 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 354020140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (389460960).

354020140 is an abundant number, since it is smaller than the sum of its proper divisors (424901780).

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

354020140 is a wasteful number, since it uses less digits than its factorization.

354020140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162 (or 3160 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 354020140 is about 18815.4229290760. The cubic root of 354020140 is about 707.4178106276.

Adding to 354020140 its reverse (41020453), we get a palindrome (395040593).

The spelling of 354020140 in words is "three hundred fifty-four million, twenty thousand, one hundred forty".