149170021936324 has 27 divisors (see below), whose sum is σ = 262505538700461. Its totient is φ = 74170740651120.

The previous prime is 149170021936321. The next prime is 149170021936333. The reversal of 149170021936324 is 423639120071941.

The square root of 149170021936324 is 12213518.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1643734254724 + 147526287681600 = 1282082^2 + 12146040^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149170021936321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4421276647 + ... + 4421310385.

Almost surely, 2^{149170021936324} is an apocalyptic number.

149170021936324 is the 12213518-th square number.

It is an amenable number.

149170021936324 is a deficient number, since it is larger than the sum of its proper divisors (113335516764137).

149170021936324 is an frugal number, since it uses more digits than its factorization.

149170021936324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67844 (or 33922 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 149170021936324 in words is "one hundred forty-nine trillion, one hundred seventy billion, twenty-one million, nine hundred thirty-six thousand, three hundred twenty-four".