149920655849535 has 128 divisors (see below), whose sum is σ = 258260105134080. Its totient is φ = 74115241353216.

The previous prime is 149920655849501. The next prime is 149920655849537. The reversal of 149920655849535 is 535948556029941.

It is not a de Polignac number, because 149920655849535 - 2¹² = 149920655845439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149920655849537) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 405393082 + ... + 405762728.

It is an arithmetic number, because the mean of its divisors is an integer number (2017657071360).

Almost surely, 2^{149920655849535} is an apocalyptic number.

149920655849535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149920655849535 is a deficient number, since it is larger than the sum of its proper divisors (108339449284545).

149920655849535 is a wasteful number, since it uses less digits than its factorization.

149920655849535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370057.

The product of its (nonzero) digits is 2099520000, while the sum is 75.

The spelling of 149920655849535 in words is "one hundred forty-nine trillion, nine hundred twenty billion, six hundred fifty-five million, eight hundred forty-nine thousand, five hundred thirty-five".