149537389 has 8 divisors (see below), whose sum is σ = 158561280. Its totient is φ = 140538816.

The previous prime is 149537383. The next prime is 149537407. The reversal of 149537389 is 983735941.

149537389 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 149537389 - 2¹⁷ = 149406317 is a prime.

It is a super-2 number, since 2×149537389² = 44722861417874642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149537383) 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, 6612 + ... + 18514.

It is an arithmetic number, because the mean of its divisors is an integer number (19820160).

Almost surely, 2^149537389 is an apocalyptic number.

It is an amenable number.

149537389 is a deficient number, since it is larger than the sum of its proper divisors (9023891).

149537389 is a wasteful number, since it uses less digits than its factorization.

149537389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12659.

The product of its digits is 816480, while the sum is 49.

The square root of 149537389 is about 12228.5481149644. The cubic root of 149537389 is about 530.7825026076.

The spelling of 149537389 in words is "one hundred forty-nine million, five hundred thirty-seven thousand, three hundred eighty-nine".