132971698 has 4 divisors (see below), whose sum is σ = 199457550. Its totient is φ = 66485848.

The previous prime is 132971693. The next prime is 132971701. The reversal of 132971698 is 896179231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 896179231 = 379 ⋅2364589.

It can be written as a sum of positive squares in only one way, i.e., 112423609 + 20548089 = 10603^2 + 4533^2 .

It is not an unprimeable number, because it can be changed into a prime (132971693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33242923 + ... + 33242926.

Almost surely, 2^132971698 is an apocalyptic number.

132971698 is a deficient number, since it is larger than the sum of its proper divisors (66485852).

132971698 is an equidigital number, since it uses as much as digits as its factorization.

132971698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66485851.

The product of its digits is 163296, while the sum is 46.

The square root of 132971698 is about 11531.3354820680. The cubic root of 132971698 is about 510.4106624452.

It can be divided in two parts, 132 and 971698, that multiplied together give a triangular number (128264136 = T₁₆₀₁₆).

The spelling of 132971698 in words is "one hundred thirty-two million, nine hundred seventy-one thousand, six hundred ninety-eight".