149631535 has 8 divisors (see below), whose sum is σ = 190120176. Its totient is φ = 112663680.

The previous prime is 149631511. The next prime is 149631539. The reversal of 149631535 is 535136941.

It is a happy number.

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

It is not a de Polignac number, because 149631535 - 2⁷ = 149631407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149631494 and 149631503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149631539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 880101 + ... + 880270.

It is an arithmetic number, because the mean of its divisors is an integer number (23765022).

Almost surely, 2^149631535 is an apocalyptic number.

149631535 is a deficient number, since it is larger than the sum of its proper divisors (40488641).

149631535 is a wasteful number, since it uses less digits than its factorization.

149631535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760393.

The product of its digits is 48600, while the sum is 37.

The square root of 149631535 is about 12232.3969441806. The cubic root of 149631535 is about 530.8938695519.

The spelling of 149631535 in words is "one hundred forty-nine million, six hundred thirty-one thousand, five hundred thirty-five".