149389000000 has 392 divisors, whose sum is σ = 393694960640. Its totient is φ = 56160000000.

The previous prime is 149388999997. The next prime is 149389000039. The reversal of 149389000000 is 983941.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 149389000000 = 800³ + 5300³ = 2900³ + 5000³.

It is a self number, because there is not a number n which added to its sum of digits gives 149389000000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1890999961 + ... + 1891000039.

Almost surely, 2^149389000000 is an apocalyptic number.

149389000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149389000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196847480320).

149389000000 is an abundant number, since it is smaller than the sum of its proper divisors (244305960640).

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

149389000000 is an frugal number, since it uses more digits than its factorization.

149389000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

Adding to 149389000000 its reverse (983941), we get a palindrome (149389983941).

The spelling of 149389000000 in words is "one hundred forty-nine billion, three hundred eighty-nine million", and thus it is an aban number.