148987971306 has 72 divisors (see below), whose sum is σ = 347884636320. Its totient is φ = 45954479088.

The previous prime is 148987971283. The next prime is 148987971323. The reversal of 148987971306 is 603179789841.

148987971306 is a `hidden beast` number, since 1 + 489 + 87 + 9 + 71 + 3 + 0 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 514555 + ... + 750161.

It is an arithmetic number, because the mean of its divisors is an integer number (4831731060).

Almost surely, 2^148987971306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148987971306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173942318160).

148987971306 is an abundant number, since it is smaller than the sum of its proper divisors (198896665014).

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

148987971306 is a wasteful number, since it uses less digits than its factorization.

148987971306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235720 (or 235674 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 63.

The spelling of 148987971306 in words is "one hundred forty-eight billion, nine hundred eighty-seven million, nine hundred seventy-one thousand, three hundred six".