149527121709 has 32 divisors (see below), whose sum is σ = 247579893760. Its totient is φ = 78335812800.

The previous prime is 149527121641. The next prime is 149527121719. The reversal of 149527121709 is 907121725941.

It is not a de Polignac number, because 149527121709 - 2¹³ = 149527113517 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 (149527121719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6032062 + ... + 6056799.

It is an arithmetic number, because the mean of its divisors is an integer number (7736871680).

Almost surely, 2^149527121709 is an apocalyptic number.

149527121709 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

149527121709 is a deficient number, since it is larger than the sum of its proper divisors (98052772051).

149527121709 is a wasteful number, since it uses less digits than its factorization.

149527121709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12088921.

The product of its (nonzero) digits is 317520, while the sum is 48.

The spelling of 149527121709 in words is "one hundred forty-nine billion, five hundred twenty-seven million, one hundred twenty-one thousand, seven hundred nine".