140926469 has 2 divisors, whose sum is σ = 140926470. Its totient is φ = 140926468.

The previous prime is 140926459. The next prime is 140926483. The reversal of 140926469 is 964629041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136773025 + 4153444 = 11695^2 + 2038^2 .

It is a cyclic number.

It is not a de Polignac number, because 140926469 - 2⁴ = 140926453 is a prime.

It is a super-2 number, since 2×140926469² = 39720539329615922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140926459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70463234 + 70463235.

It is an arithmetic number, because the mean of its divisors is an integer number (70463235).

Almost surely, 2^140926469 is an apocalyptic number.

It is an amenable number.

140926469 is a deficient number, since it is larger than the sum of its proper divisors (1).

140926469 is an equidigital number, since it uses as much as digits as its factorization.

140926469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 140926469 is about 11871.2454696211. The cubic root of 140926469 is about 520.3922939646.

The spelling of 140926469 in words is "one hundred forty million, nine hundred twenty-six thousand, four hundred sixty-nine".