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142130413 is a prime number
BaseRepresentation
bin10000111100010…
…11110011101101
3100220102222021101
420132023303231
5242341133123
622034203101
73344042245
oct1036136355
9326388241
10142130413
1173257757
123b723491
13235a4c49
1414c3ab25
15c727aad
hex878bced

142130413 has 2 divisors, whose sum is σ = 142130414. Its totient is φ = 142130412.

The previous prime is 142130389. The next prime is 142130423. The reversal of 142130413 is 314031241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138603529 + 3526884 = 11773^2 + 1878^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-142130413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142130423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71065206 + 71065207.

It is an arithmetic number, because the mean of its divisors is an integer number (71065207).

Almost surely, 2142130413 is an apocalyptic number.

It is an amenable number.

142130413 is a deficient number, since it is larger than the sum of its proper divisors (1).

142130413 is an equidigital number, since it uses as much as digits as its factorization.

142130413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 142130413 is about 11921.8460399386. The cubic root of 142130413 is about 521.8700089307.

Adding to 142130413 its reverse (314031241), we get a palindrome (456161654).

The spelling of 142130413 in words is "one hundred forty-two million, one hundred thirty thousand, four hundred thirteen".