149997119780 has 24 divisors (see below), whose sum is σ = 315010503360. Its totient is φ = 59995695200.

The previous prime is 149997119743. The next prime is 149997119809. The reversal of 149997119780 is 87911799941.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214001 + ... + 588039.

It is an arithmetic number, because the mean of its divisors is an integer number (13125437640).

Almost surely, 2^149997119780 is an apocalyptic number.

149997119780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149997119780 is an abundant number, since it is smaller than the sum of its proper divisors (165013383580).

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

149997119780 is a wasteful number, since it uses less digits than its factorization.

149997119780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394099 (or 394097 counting only the distinct ones).

The product of its (nonzero) digits is 10287648, while the sum is 65.

The spelling of 149997119780 in words is "one hundred forty-nine billion, nine hundred ninety-seven million, one hundred nineteen thousand, seven hundred eighty".