149663917133 has 4 divisors (see below), whose sum is σ = 149832648480. Its totient is φ = 149495185788.

The previous prime is 149663917103. The next prime is 149663917147. The reversal of 149663917133 is 331719366941.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 149663917133 - 2¹⁰ = 149663916109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149663917103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84364343 + ... + 84366116.

It is an arithmetic number, because the mean of its divisors is an integer number (37458162120).

Almost surely, 2^149663917133 is an apocalyptic number.

It is an amenable number.

149663917133 is a deficient number, since it is larger than the sum of its proper divisors (168731347).

149663917133 is an equidigital number, since it uses as much as digits as its factorization.

149663917133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168731346.

The product of its digits is 2204496, while the sum is 53.

The spelling of 149663917133 in words is "one hundred forty-nine billion, six hundred sixty-three million, nine hundred seventeen thousand, one hundred thirty-three".