172635141 has 16 divisors (see below), whose sum is σ = 263376000. Its totient is φ = 98531328.

The previous prime is 172635139. The next prime is 172635149. The reversal of 172635141 is 141536271.

It is not a de Polignac number, because 172635141 - 2¹ = 172635139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 172635099 and 172635108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172635149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15085 + ... + 23933.

It is an arithmetic number, because the mean of its divisors is an integer number (16461000).

Almost surely, 2^172635141 is an apocalyptic number.

It is an amenable number.

172635141 is a deficient number, since it is larger than the sum of its proper divisors (90740859).

172635141 is an equidigital number, since it uses as much as digits as its factorization.

172635141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9788.

The product of its digits is 5040, while the sum is 30.

The square root of 172635141 is about 13139.0692592740. The cubic root of 172635141 is about 556.8134722627.

The spelling of 172635141 in words is "one hundred seventy-two million, six hundred thirty-five thousand, one hundred forty-one".