149879534 has 12 divisors (see below), whose sum is σ = 261524664. Its totient is φ = 64234044.

The previous prime is 149879533. The next prime is 149879567. The reversal of 149879534 is 435978941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149879533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 764594 + ... + 764789.

It is an arithmetic number, because the mean of its divisors is an integer number (21793722).

Almost surely, 2^149879534 is an apocalyptic number.

149879534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

149879534 is a deficient number, since it is larger than the sum of its proper divisors (111645130).

149879534 is a wasteful number, since it uses less digits than its factorization.

149879534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529399 (or 1529392 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The square root of 149879534 is about 12242.5297222429. The cubic root of 149879534 is about 531.1870084667.

The spelling of 149879534 in words is "one hundred forty-nine million, eight hundred seventy-nine thousand, five hundred thirty-four".