141531705 has 96 divisors (see below), whose sum is σ = 298033920. Its totient is φ = 63195552.

The previous prime is 141531701. The next prime is 141531707. The reversal of 141531705 is 507135141.

It is not a de Polignac number, because 141531705 - 2² = 141531701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (141531701) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3291414 + ... + 3291456.

It is an arithmetic number, because the mean of its divisors is an integer number (3104520).

Almost surely, 2^141531705 is an apocalyptic number.

141531705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

141531705 is an abundant number, since it is smaller than the sum of its proper divisors (156502215).

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

141531705 is an frugal number, since it uses more digits than its factorization.

141531705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 141531705 is about 11896.7098392791. The cubic root of 141531705 is about 521.1362051679.

Adding to 141531705 its reverse (507135141), we get a palindrome (648666846).

The spelling of 141531705 in words is "one hundred forty-one million, five hundred thirty-one thousand, seven hundred five".