149653907 has 8 divisors (see below), whose sum is σ = 170646336. Its totient is φ = 130015872.

The previous prime is 149653859. The next prime is 149653919. The reversal of 149653907 is 709356941.

149653907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 149653907 - 2⁶ = 149653843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149653307) 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, 338363 + ... + 338804.

It is an arithmetic number, because the mean of its divisors is an integer number (21330792).

Almost surely, 2^149653907 is an apocalyptic number.

149653907 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

149653907 is a deficient number, since it is larger than the sum of its proper divisors (20992429).

149653907 is a wasteful number, since it uses less digits than its factorization.

149653907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677197.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 149653907 is about 12233.3113669194. The cubic root of 149653907 is about 530.9203269110.

The spelling of 149653907 in words is "one hundred forty-nine million, six hundred fifty-three thousand, nine hundred seven".