149870446739 has 8 divisors (see below), whose sum is σ = 163343509392. Its totient is φ = 136675179360.

The previous prime is 149870446729. The next prime is 149870446741. The reversal of 149870446739 is 937644078941.

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 149870446739 - 2¹² = 149870442643 is a prime.

It is a super-2 number, since 2×149870446739² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149870446729) 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, 69447692 + ... + 69449849.

It is an arithmetic number, because the mean of its divisors is an integer number (20417938674).

Almost surely, 2^149870446739 is an apocalyptic number.

149870446739 is a deficient number, since it is larger than the sum of its proper divisors (13473062653).

149870446739 is a wasteful number, since it uses less digits than its factorization.

149870446739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138897637.

The product of its (nonzero) digits is 36578304, while the sum is 62.

The spelling of 149870446739 in words is "one hundred forty-nine billion, eight hundred seventy million, four hundred forty-six thousand, seven hundred thirty-nine".