148738909340 has 48 divisors (see below), whose sum is σ = 358362470592. Its totient is φ = 50797756416.

The previous prime is 148738909339. The next prime is 148738909373. The reversal of 148738909340 is 43909837841.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2030987 + ... + 2102946.

It is an arithmetic number, because the mean of its divisors is an integer number (7465884804).

Almost surely, 2^148738909340 is an apocalyptic number.

148738909340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148738909340 is an abundant number, since it is smaller than the sum of its proper divisors (209623561252).

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

148738909340 is a wasteful number, since it uses less digits than its factorization.

148738909340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4134206 (or 4134204 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 148738909340 in words is "one hundred forty-eight billion, seven hundred thirty-eight million, nine hundred nine thousand, three hundred forty".