35139491 has 2 divisors, whose sum is σ = 35139492. Its totient is φ = 35139490.

The previous prime is 35139463. The next prime is 35139509. The reversal of 35139491 is 19493153.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 35139491 - 2⁶ = 35139427 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (35139431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17569745 + 17569746.

It is an arithmetic number, because the mean of its divisors is an integer number (17569746).

Almost surely, 2^35139491 is an apocalyptic number.

35139491 is a deficient number, since it is larger than the sum of its proper divisors (1).

35139491 is an equidigital number, since it uses as much as digits as its factorization.

35139491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 35.

The square root of 35139491 is about 5927.8572013840. The cubic root of 35139491 is about 327.5406114780.

The spelling of 35139491 in words is "thirty-five million, one hundred thirty-nine thousand, four hundred ninety-one".