138469662 has 24 divisors (see below), whose sum is σ = 311130456. Its totient is φ = 46156392.

The previous prime is 138469657. The next prime is 138469673. The reversal of 138469662 is 266964831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141973 + ... + 142944.

It is an arithmetic number, because the mean of its divisors is an integer number (12963769).

Almost surely, 2^138469662 is an apocalyptic number.

138469662 is an abundant number, since it is smaller than the sum of its proper divisors (172660794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138469662 is an equidigital number, since it uses as much as digits as its factorization.

138469662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284934 (or 284922 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 138469662 is about 11767.3132872377. The cubic root of 138469662 is about 517.3505050223.

The spelling of 138469662 in words is "one hundred thirty-eight million, four hundred sixty-nine thousand, six hundred sixty-two".