149909711 has 8 divisors (see below), whose sum is σ = 172196640. Its totient is φ = 127840608.

The previous prime is 149909701. The next prime is 149909713. The reversal of 149909711 is 117909941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 149909711 - 2²⁶ = 82800847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149909713) 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 7 ways as a sum of consecutive naturals, for example, 52976 + ... + 55733.

It is an arithmetic number, because the mean of its divisors is an integer number (21524580).

Almost surely, 2^149909711 is an apocalyptic number.

149909711 is a deficient number, since it is larger than the sum of its proper divisors (22286929).

149909711 is a wasteful number, since it uses less digits than its factorization.

149909711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108913.

The product of its (nonzero) digits is 20412, while the sum is 41.

The square root of 149909711 is about 12243.7621260787. The cubic root of 149909711 is about 531.2226561059. Note that the first 3 decimals are identical.

The spelling of 149909711 in words is "one hundred forty-nine million, nine hundred nine thousand, seven hundred eleven".