149687341902 has 128 divisors (see below), whose sum is σ = 383920128000. Its totient is φ = 42346735200.

The previous prime is 149687341873. The next prime is 149687341919. The reversal of 149687341902 is 209143786941.

149687341902 is a `hidden beast` number, since 149 + 6 + 87 + 3 + 419 + 0 + 2 = 666.

149687341902 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15867127 + ... + 15876557.

It is an arithmetic number, because the mean of its divisors is an integer number (2999376000).

Almost surely, 2^149687341902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149687341902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191960064000).

149687341902 is an abundant number, since it is smaller than the sum of its proper divisors (234232786098).

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

149687341902 is a wasteful number, since it uses less digits than its factorization.

149687341902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9859 (or 9853 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 149687341902 in words is "one hundred forty-nine billion, six hundred eighty-seven million, three hundred forty-one thousand, nine hundred two".