149729739 has 8 divisors (see below), whose sum is σ = 200322192. Its totient is φ = 99478560.

The previous prime is 149729729. The next prime is 149729743. The reversal of 149729739 is 937927941.

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

It is not a de Polignac number, because 149729739 - 2¹⁵ = 149696971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149729691 and 149729700.

It is not an unprimeable number, because it can be changed into a prime (149729719) 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, 84292 + ... + 86049.

It is an arithmetic number, because the mean of its divisors is an integer number (25040274).

Almost surely, 2^149729739 is an apocalyptic number.

149729739 is a deficient number, since it is larger than the sum of its proper divisors (50592453).

149729739 is a wasteful number, since it uses less digits than its factorization.

149729739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170637.

The product of its digits is 857304, while the sum is 51.

The square root of 149729739 is about 12236.4103804997. The cubic root of 149729739 is about 531.0099870090.

The spelling of 149729739 in words is "one hundred forty-nine million, seven hundred twenty-nine thousand, seven hundred thirty-nine".