147390681 has 16 divisors (see below), whose sum is σ = 199065600. Its totient is φ = 96995088.

The previous prime is 147390671. The next prime is 147390703. The reversal of 147390681 is 186093741.

It is not a de Polignac number, because 147390681 - 2¹³ = 147382489 is a prime.

It is a super-2 number, since 2×147390681² = 43448025691287522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (147390641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114600 + ... + 115878.

It is an arithmetic number, because the mean of its divisors is an integer number (12441600).

Almost surely, 2^147390681 is an apocalyptic number.

It is an amenable number.

147390681 is a deficient number, since it is larger than the sum of its proper divisors (51674919).

147390681 is a wasteful number, since it uses less digits than its factorization.

147390681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 147390681 is about 12140.4563752768. The cubic root of 147390681 is about 528.2303395539.

The spelling of 147390681 in words is "one hundred forty-seven million, three hundred ninety thousand, six hundred eighty-one".