149078729 has 8 divisors (see below), whose sum is σ = 158796288. Its totient is φ = 139466560.

The previous prime is 149078723. The next prime is 149078737. The reversal of 149078729 is 927870941.

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 149078729 - 2¹² = 149074633 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149078723) 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, 23417 + ... + 29094.

It is an arithmetic number, because the mean of its divisors is an integer number (19849536).

Almost surely, 2^149078729 is an apocalyptic number.

It is an amenable number.

149078729 is a deficient number, since it is larger than the sum of its proper divisors (9717559).

149078729 is a wasteful number, since it uses less digits than its factorization.

149078729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52695.

The product of its (nonzero) digits is 254016, while the sum is 47.

The square root of 149078729 is about 12209.7800553491. The cubic root of 149078729 is about 530.2392760816.

The spelling of 149078729 in words is "one hundred forty-nine million, seventy-eight thousand, seven hundred twenty-nine".