149020134816 has 96 divisors (see below), whose sum is σ = 447261671808. Its totient is φ = 42558013440.

The previous prime is 149020134797. The next prime is 149020134827. The reversal of 149020134816 is 618431020941.

It is a tau number, because it is divible by the number of its divisors (96).

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, 1478676 + ... + 1576236.

It is an arithmetic number, because the mean of its divisors is an integer number (4658975748).

Almost surely, 2^149020134816 is an apocalyptic number.

149020134816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

149020134816 is an abundant number, since it is smaller than the sum of its proper divisors (298241536992).

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

149020134816 is a wasteful number, since it uses less digits than its factorization.

149020134816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99854 (or 99846 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The spelling of 149020134816 in words is "one hundred forty-nine billion, twenty million, one hundred thirty-four thousand, eight hundred sixteen".