138232462 has 8 divisors (see below), whose sum is σ = 209973600. Its totient is φ = 68241264.

The previous prime is 138232453. The next prime is 138232463. The reversal of 138232462 is 264232831.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138232463) 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, 437287 + ... + 437602.

It is an arithmetic number, because the mean of its divisors is an integer number (26246700).

Almost surely, 2^138232462 is an apocalyptic number.

138232462 is a deficient number, since it is larger than the sum of its proper divisors (71741138).

138232462 is an equidigital number, since it uses as much as digits as its factorization.

138232462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874970.

The product of its digits is 13824, while the sum is 31.

The square root of 138232462 is about 11757.2302010295. The cubic root of 138232462 is about 517.0549272142.

The spelling of 138232462 in words is "one hundred thirty-eight million, two hundred thirty-two thousand, four hundred sixty-two".