130735421 has 2 divisors, whose sum is σ = 130735422. Its totient is φ = 130735420.

The previous prime is 130735411. The next prime is 130735433. The reversal of 130735421 is 124537031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73188025 + 57547396 = 8555^2 + 7586^2 .

It is a cyclic number.

It is not a de Polignac number, because 130735421 - 2⁶ = 130735357 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130735411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65367710 + 65367711.

It is an arithmetic number, because the mean of its divisors is an integer number (65367711).

Almost surely, 2^130735421 is an apocalyptic number.

It is an amenable number.

130735421 is a deficient number, since it is larger than the sum of its proper divisors (1).

130735421 is an equidigital number, since it uses as much as digits as its factorization.

130735421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 130735421 is about 11433.9591130981. The cubic root of 130735421 is about 507.5331609771.

The spelling of 130735421 in words is "one hundred thirty million, seven hundred thirty-five thousand, four hundred twenty-one".