149338965136 has 45 divisors (see below), whose sum is σ = 307419780441. Its totient is φ = 70264793856.

The previous prime is 149338965121. The next prime is 149338965173. The reversal of 149338965136 is 631569833941.

It is a happy number.

The square root of 149338965136 is 386444.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 116267360400 + 33071604736 = 340980^2 + 181856^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 26275351 + ... + 26281033.

Almost surely, 2^149338965136 is an apocalyptic number.

149338965136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

149338965136 is the 386444-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149338965136

149338965136 is an abundant number, since it is smaller than the sum of its proper divisors (158080815305).

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

149338965136 is an frugal number, since it uses more digits than its factorization.

149338965136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11408 (or 5702 counting only the distinct ones).

The product of its digits is 12597120, while the sum is 58.

The spelling of 149338965136 in words is "one hundred forty-nine billion, three hundred thirty-eight million, nine hundred sixty-five thousand, one hundred thirty-six".