149396855097 has 64 divisors (see below), whose sum is σ = 246025543680. Its totient is φ = 78751056384.

The previous prime is 149396855089. The next prime is 149396855131. The reversal of 149396855097 is 790558693941.

149396855097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149396855097 - 2³ = 149396855089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149396855497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13118868 + ... + 13130250.

It is an arithmetic number, because the mean of its divisors is an integer number (3844149120).

Almost surely, 2^149396855097 is an apocalyptic number.

It is an amenable number.

149396855097 is a deficient number, since it is larger than the sum of its proper divisors (96628688583).

149396855097 is a wasteful number, since it uses less digits than its factorization.

149396855097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12382.

The product of its (nonzero) digits is 73483200, while the sum is 66.

The spelling of 149396855097 in words is "one hundred forty-nine billion, three hundred ninety-six million, eight hundred fifty-five thousand, ninety-seven".