149388999999 has 16 divisors (see below), whose sum is σ = 207879105024. Its totient is φ = 95247178400.

The previous prime is 149388999997. The next prime is 149389000039. The reversal of 149388999999 is 999999883941.

It is a cyclic number.

It is not a de Polignac number, because 149388999999 - 2¹ = 149388999997 is a prime.

149388999999 is a modest number, since divided by 999999 gives 149388 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149388999997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263929 + ... + 606989.

It is an arithmetic number, because the mean of its divisors is an integer number (12992444064).

Almost surely, 2^149388999999 is an apocalyptic number.

149388999999 is a deficient number, since it is larger than the sum of its proper divisors (58490105025).

149388999999 is a wasteful number, since it uses less digits than its factorization.

149388999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349398.

The product of its digits is 3673320192, while the sum is 87.

The spelling of 149388999999 in words is "one hundred forty-nine billion, three hundred eighty-eight million, nine hundred ninety-nine thousand, nine hundred ninety-nine".