35961139 has 2 divisors, whose sum is σ = 35961140. Its totient is φ = 35961138.

The previous prime is 35961071. The next prime is 35961143. The reversal of 35961139 is 93116953.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 35961139 - 2¹⁵ = 35928371 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 35961098 and 35961107.

It is not a weakly prime, because it can be changed into another prime (35961179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17980569 + 17980570.

It is an arithmetic number, because the mean of its divisors is an integer number (17980570).

Almost surely, 2^35961139 is an apocalyptic number.

35961139 is a deficient number, since it is larger than the sum of its proper divisors (1).

35961139 is an equidigital number, since it uses as much as digits as its factorization.

35961139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21870, while the sum is 37.

The square root of 35961139 is about 5996.7607089161. The cubic root of 35961139 is about 330.0738708211.

It can be divided in two parts, 35961 and 139, that added together give a square (36100 = 190²).

The spelling of 35961139 in words is "thirty-five million, nine hundred sixty-one thousand, one hundred thirty-nine".