1353641494 has 16 divisors (see below), whose sum is σ = 2127202560. Its totient is φ = 644809000.

The previous prime is 1353641489. The next prime is 1353641539. The reversal of 1353641494 is 4941463531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47074 + ... + 70165.

It is an arithmetic number, because the mean of its divisors is an integer number (132950160).

Almost surely, 2^1353641494 is an apocalyptic number.

1353641494 is a deficient number, since it is larger than the sum of its proper divisors (773561066).

1353641494 is a wasteful number, since it uses less digits than its factorization.

1353641494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117515.

The product of its digits is 155520, while the sum is 40.

The square root of 1353641494 is about 36791.8672263314. The cubic root of 1353641494 is about 1106.2022891784.

The spelling of 1353641494 in words is "one billion, three hundred fifty-three million, six hundred forty-one thousand, four hundred ninety-four".