149187816075 has 12 divisors (see below), whose sum is σ = 246657189368. Its totient is φ = 79566835200.

The previous prime is 149187816073. The next prime is 149187816077. The reversal of 149187816075 is 570618781941.

It is an interprime number because it is at equal distance from previous prime (149187816073) and next prime (149187816077).

It is not a de Polignac number, because 149187816075 - 2¹ = 149187816073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149187816073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 994585366 + ... + 994585515.

Almost surely, 2^149187816075 is an apocalyptic number.

149187816075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149187816075 is a deficient number, since it is larger than the sum of its proper divisors (97469373293).

149187816075 is a wasteful number, since it uses less digits than its factorization.

149187816075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989170894 (or 1989170889 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 57.

The spelling of 149187816075 in words is "one hundred forty-nine billion, one hundred eighty-seven million, eight hundred sixteen thousand, seventy-five".