132998438 has 16 divisors (see below), whose sum is σ = 204894144. Its totient is φ = 64716480.

The previous prime is 132998431. The next prime is 132998473. The reversal of 132998438 is 834899231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a junction number, because it is equal to n+sod(n) for n = 132998392 and 132998401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132998431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13106 + ... + 20922.

It is an arithmetic number, because the mean of its divisors is an integer number (12805884).

Almost surely, 2^132998438 is an apocalyptic number.

132998438 is a deficient number, since it is larger than the sum of its proper divisors (71895706).

132998438 is a wasteful number, since it uses less digits than its factorization.

132998438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8047.

The product of its digits is 373248, while the sum is 47.

The square root of 132998438 is about 11532.4948731833. The cubic root of 132998438 is about 510.4448739016. Note that the first 3 decimals are identical.

The spelling of 132998438 in words is "one hundred thirty-two million, nine hundred ninety-eight thousand, four hundred thirty-eight".