141405620 has 18 divisors (see below), whose sum is σ = 297063522. Its totient is φ = 56540976.

The previous prime is 141405613. The next prime is 141405631. The reversal of 141405620 is 26504141.

It can be written as a sum of positive squares in only one way, i.e., 113124496 + 28281124 = 10636^2 + 5318^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51851 + ... + 54509.

It is an arithmetic number, because the mean of its divisors is an integer number (16503529).

Almost surely, 2^141405620 is an apocalyptic number.

141405620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141405620 is an abundant number, since it is smaller than the sum of its proper divisors (155657902).

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

141405620 is an frugal number, since it uses more digits than its factorization.

141405620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5327 (or 2666 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 141405620 is about 11891.4095043439. The cubic root of 141405620 is about 520.9814059773.

Adding to 141405620 its reverse (26504141), we get a palindrome (167909761).

The spelling of 141405620 in words is "one hundred forty-one million, four hundred five thousand, six hundred twenty".