156413236014397 has 2 divisors, whose sum is σ = 156413236014398. Its totient is φ = 156413236014396.

The previous prime is 156413236014389. The next prime is 156413236014487. The reversal of 156413236014397 is 793410632314651.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154911155361561 + 1502080652836 = 12446331^2 + 1225594^2 .

It is a cyclic number.

It is not a de Polignac number, because 156413236014397 - 2³ = 156413236014389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (156413236014367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78206618007198 + 78206618007199.

It is an arithmetic number, because the mean of its divisors is an integer number (78206618007199).

Almost surely, 2^{156413236014397} is an apocalyptic number.

It is an amenable number.

156413236014397 is a deficient number, since it is larger than the sum of its proper divisors (1).

156413236014397 is an equidigital number, since it uses as much as digits as its factorization.

156413236014397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9797760, while the sum is 55.

The spelling of 156413236014397 in words is "one hundred fifty-six trillion, four hundred thirteen billion, two hundred thirty-six million, fourteen thousand, three hundred ninety-seven".