149709835 has 16 divisors (see below), whose sum is σ = 206300160. Its totient is φ = 103148640.

The previous prime is 149709823. The next prime is 149709841. The reversal of 149709835 is 538907941.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-149709835 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70587 + ... + 72676.

It is an arithmetic number, because the mean of its divisors is an integer number (12893760).

Almost surely, 2^149709835 is an apocalyptic number.

149709835 is a deficient number, since it is larger than the sum of its proper divisors (56590325).

149709835 is a wasteful number, since it uses less digits than its factorization.

149709835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143298.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 149709835 is about 12235.5970430543. The cubic root of 149709835 is about 530.9864564104.

It can be divided in two parts, 149709 and 835, that added together give a square (150544 = 388²).

The spelling of 149709835 in words is "one hundred forty-nine million, seven hundred nine thousand, eight hundred thirty-five".