149631069 has 16 divisors (see below), whose sum is σ = 228257792. Its totient is φ = 85410288.

The previous prime is 149631067. The next prime is 149631073. The reversal of 149631069 is 960136941.

149631069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149631069 - 2¹ = 149631067 is a prime.

It is a super-2 number, since 2×149631069² = 44778913620165522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149631067) 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, 18972 + ... + 25674.

It is an arithmetic number, because the mean of its divisors is an integer number (14266112).

Almost surely, 2^149631069 is an apocalyptic number.

It is an amenable number.

149631069 is a deficient number, since it is larger than the sum of its proper divisors (78626723).

149631069 is a wasteful number, since it uses less digits than its factorization.

149631069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7776.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 149631069 is about 12232.3778963863. The cubic root of 149631069 is about 530.8933184274.

The spelling of 149631069 in words is "one hundred forty-nine million, six hundred thirty-one thousand, sixty-nine".