149352090097 has 4 divisors (see below), whose sum is σ = 170688102976. Its totient is φ = 128016077220.

The previous prime is 149352090077. The next prime is 149352090109. The reversal of 149352090097 is 790090253941.

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 a de Polignac number, because none of the positive numbers 2^k-149352090097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149352090097.

It is not an unprimeable number, because it can be changed into a prime (149352090007) 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, 10668006429 + ... + 10668006442.

It is an arithmetic number, because the mean of its divisors is an integer number (42672025744).

Almost surely, 2^149352090097 is an apocalyptic number.

It is an amenable number.

149352090097 is a deficient number, since it is larger than the sum of its proper divisors (21336012879).

149352090097 is an equidigital number, since it uses as much as digits as its factorization.

149352090097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21336012878.

The product of its (nonzero) digits is 612360, while the sum is 49.

The spelling of 149352090097 in words is "one hundred forty-nine billion, three hundred fifty-two million, ninety thousand, ninety-seven".