136172474 has 8 divisors (see below), whose sum is σ = 204313428. Its totient is φ = 68068000.

The previous prime is 136172473. The next prime is 136172483. The reversal of 136172474 is 474271631.

It can be written as a sum of positive squares in 2 ways, for example, as 133564249 + 2608225 = 11557^2 + 1615^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (136172473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3974 + ... + 16974.

Almost surely, 2^136172474 is an apocalyptic number.

136172474 is a deficient number, since it is larger than the sum of its proper divisors (68140954).

136172474 is a wasteful number, since it uses less digits than its factorization.

136172474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18240.

The product of its digits is 28224, while the sum is 35.

The square root of 136172474 is about 11669.2962084266. The cubic root of 136172474 is about 514.4736180733.

The spelling of 136172474 in words is "one hundred thirty-six million, one hundred seventy-two thousand, four hundred seventy-four".