149736287988 has 288 divisors, whose sum is σ = 459203673600. Its totient is φ = 42590862720.

The previous prime is 149736287983. The next prime is 149736287989. The reversal of 149736287988 is 889782637941.

149736287988 is a `hidden beast` number, since 1 + 497 + 3 + 62 + 8 + 79 + 8 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149736287983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 116164048 + ... + 116165336.

It is an arithmetic number, because the mean of its divisors is an integer number (1594457200).

Almost surely, 2^149736287988 is an apocalyptic number.

149736287988 is a gapful number since it is divisible by the number (18) 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 149736287988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229601836800).

149736287988 is an abundant number, since it is smaller than the sum of its proper divisors (309467385612).

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

149736287988 is a wasteful number, since it uses less digits than its factorization.

149736287988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599 (or 1572 counting only the distinct ones).

The product of its digits is 292626432, while the sum is 72.

The spelling of 149736287988 in words is "one hundred forty-nine billion, seven hundred thirty-six million, two hundred eighty-seven thousand, nine hundred eighty-eight".