149109194740695 has 64 divisors (see below), whose sum is σ = 281702719420416. Its totient is φ = 65924789967360.

The previous prime is 149109194740651. The next prime is 149109194740703. The reversal of 149109194740695 is 596047491901941.

It is not a de Polignac number, because 149109194740695 - 2⁶ = 149109194740631 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 114263616 + ... + 115561205.

It is an arithmetic number, because the mean of its divisors is an integer number (4401604990944).

Almost surely, 2^{149109194740695} is an apocalyptic number.

149109194740695 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149109194740695 is a deficient number, since it is larger than the sum of its proper divisors (132593524679721).

149109194740695 is a wasteful number, since it uses less digits than its factorization.

149109194740695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229825040.

The product of its (nonzero) digits is 88179840, while the sum is 69.

The spelling of 149109194740695 in words is "one hundred forty-nine trillion, one hundred nine billion, one hundred ninety-four million, seven hundred forty thousand, six hundred ninety-five".