172140614 has 4 divisors (see below), whose sum is σ = 258210924. Its totient is φ = 86070306.

The previous prime is 172140571. The next prime is 172140629. The reversal of 172140614 is 416041271.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43035152 + ... + 43035155.

It is an arithmetic number, because the mean of its divisors is an integer number (64552731).

Almost surely, 2^172140614 is an apocalyptic number.

172140614 is a deficient number, since it is larger than the sum of its proper divisors (86070310).

172140614 is an equidigital number, since it uses as much as digits as its factorization.

172140614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86070309.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 172140614 is about 13120.2368118872. The cubic root of 172140614 is about 556.2812850476.

Adding to 172140614 its reverse (416041271), we get a palindrome (588181885).

The spelling of 172140614 in words is "one hundred seventy-two million, one hundred forty thousand, six hundred fourteen".