147271402 has 4 divisors (see below), whose sum is σ = 220907106. Its totient is φ = 73635700.

The previous prime is 147271387. The next prime is 147271403. The reversal of 147271402 is 204172741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204172741 = 757 ⋅269713.

It can be written as a sum of positive squares in only one way, i.e., 103856481 + 43414921 = 10191^2 + 6589^2 .

It is not an unprimeable number, because it can be changed into a prime (147271403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36817849 + ... + 36817852.

Almost surely, 2^147271402 is an apocalyptic number.

147271402 is a deficient number, since it is larger than the sum of its proper divisors (73635704).

147271402 is an equidigital number, since it uses as much as digits as its factorization.

147271402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73635703.

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 147271402 is about 12135.5429215178. The cubic root of 147271402 is about 528.0878072707.

It can be divided in two parts, 14727 and 1402, that added together give a square (16129 = 127²).

The spelling of 147271402 in words is "one hundred forty-seven million, two hundred seventy-one thousand, four hundred two".