140905351 has 2 divisors, whose sum is σ = 140905352. Its totient is φ = 140905350.

The previous prime is 140905327. The next prime is 140905379. The reversal of 140905351 is 153509041.

It is an a-pointer prime, because the next prime (140905379) can be obtained adding 140905351 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140905351 - 2⁵ = 140905319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140905301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70452675 + 70452676.

It is an arithmetic number, because the mean of its divisors is an integer number (70452676).

Almost surely, 2^140905351 is an apocalyptic number.

140905351 is a deficient number, since it is larger than the sum of its proper divisors (1).

140905351 is an equidigital number, since it uses as much as digits as its factorization.

140905351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 140905351 is about 11870.3559761281. The cubic root of 140905351 is about 520.3662988635.

The spelling of 140905351 in words is "one hundred forty million, nine hundred five thousand, three hundred fifty-one".