149575666714 has 4 divisors (see below), whose sum is σ = 224363500074. Its totient is φ = 74787833356.

The previous prime is 149575666621. The next prime is 149575666733. The reversal of 149575666714 is 417666575941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 417666575941 = 109 ⋅3831803449.

It can be written as a sum of positive squares in only one way, i.e., 111913666225 + 37662000489 = 334535^2 + 194067^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37393916677 + ... + 37393916680.

Almost surely, 2^149575666714 is an apocalyptic number.

149575666714 is a deficient number, since it is larger than the sum of its proper divisors (74787833360).

149575666714 is an equidigital number, since it uses as much as digits as its factorization.

149575666714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74787833359.

The product of its digits is 38102400, while the sum is 61.

The spelling of 149575666714 in words is "one hundred forty-nine billion, five hundred seventy-five million, six hundred sixty-six thousand, seven hundred fourteen".