355000140 has 144 divisors (see below), whose sum is σ = 1203654816. Its totient is φ = 83942400.

The previous prime is 355000133. The next prime is 355000141. The reversal of 355000140 is 41000553.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (355000141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78994 + ... + 83366.

It is an arithmetic number, because the mean of its divisors is an integer number (8358714).

Almost surely, 2^355000140 is an apocalyptic number.

355000140 is a gapful number since it is divisible by the number (30) 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 355000140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (601827408).

355000140 is an abundant number, since it is smaller than the sum of its proper divisors (848654676).

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

355000140 is a wasteful number, since it uses less digits than its factorization.

355000140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4440 (or 4435 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 355000140 is about 18841.4473966307. The cubic root of 355000140 is about 708.0699681881.

Adding to 355000140 its reverse (41000553), we get a palindrome (396000693).

The spelling of 355000140 in words is "three hundred fifty-five million, one hundred forty", and thus it is an aban number.