147013661 has 2 divisors, whose sum is σ = 147013662. Its totient is φ = 147013660.

The previous prime is 147013627. The next prime is 147013693. The reversal of 147013661 is 166310741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131560900 + 15452761 = 11470^2 + 3931^2 .

It is a cyclic number.

It is not a de Polignac number, because 147013661 - 2⁶ = 147013597 is a prime.

It is a super-2 number, since 2×147013661² = 43226033041245842, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147013561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73506830 + 73506831.

It is an arithmetic number, because the mean of its divisors is an integer number (73506831).

Almost surely, 2^147013661 is an apocalyptic number.

It is an amenable number.

147013661 is a deficient number, since it is larger than the sum of its proper divisors (1).

147013661 is an equidigital number, since it uses as much as digits as its factorization.

147013661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 147013661 is about 12124.9190100388. The cubic root of 147013661 is about 527.7795569760.

The spelling of 147013661 in words is "one hundred forty-seven million, thirteen thousand, six hundred sixty-one".