149661934 has 4 divisors (see below), whose sum is σ = 224492904. Its totient is φ = 74830966.

The previous prime is 149661913. The next prime is 149661971. The reversal of 149661934 is 439166941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 439166941 = 1583 ⋅277427.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37415482 + ... + 37415485.

It is an arithmetic number, because the mean of its divisors is an integer number (56123226).

Almost surely, 2^149661934 is an apocalyptic number.

149661934 is a deficient number, since it is larger than the sum of its proper divisors (74830970).

149661934 is an equidigital number, since it uses as much as digits as its factorization.

149661934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74830969.

The product of its digits is 139968, while the sum is 43.

The square root of 149661934 is about 12233.6394421284. The cubic root of 149661934 is about 530.9298190817.

It can be divided in two parts, 14966 and 1934, that added together give a square (16900 = 130²).

The spelling of 149661934 in words is "one hundred forty-nine million, six hundred sixty-one thousand, nine hundred thirty-four".