149608139 has 8 divisors (see below), whose sum is σ = 158202240. Its totient is φ = 141249600.

The previous prime is 149608133. The next prime is 149608153. The reversal of 149608139 is 931806941.

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 149608139 - 2⁸ = 149607883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149608096 and 149608105.

It is not an unprimeable number, because it can be changed into a prime (149608133) 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, 57584 + ... + 60125.

It is an arithmetic number, because the mean of its divisors is an integer number (19775280).

Almost surely, 2^149608139 is an apocalyptic number.

149608139 is a deficient number, since it is larger than the sum of its proper divisors (8594101).

149608139 is a wasteful number, since it uses less digits than its factorization.

149608139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117781.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 149608139 is about 12231.4405938140. The cubic root of 149608139 is about 530.8661983786.

The spelling of 149608139 in words is "one hundred forty-nine million, six hundred eight thousand, one hundred thirty-nine".