149102170398719 has 16 divisors (see below), whose sum is σ = 158840855324928. Its totient is φ = 139471276981632.

The previous prime is 149102170398677. The next prime is 149102170398757. The reversal of 149102170398719 is 917893071201941.

It is a cyclic number.

It is not a de Polignac number, because 149102170398719 - 2³² = 149097875431423 is a prime.

It is a super-2 number, since 2×149102170398719² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149102170395719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16212692 + ... + 23686614.

It is an arithmetic number, because the mean of its divisors is an integer number (9927553457808).

Almost surely, 2^{149102170398719} is an apocalyptic number.

149102170398719 is a deficient number, since it is larger than the sum of its proper divisors (9738684926209).

149102170398719 is a wasteful number, since it uses less digits than its factorization.

149102170398719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7481134.

The product of its (nonzero) digits is 6858432, while the sum is 62.

The spelling of 149102170398719 in words is "one hundred forty-nine trillion, one hundred two billion, one hundred seventy million, three hundred ninety-eight thousand, seven hundred nineteen".