1340635098 has 32 divisors (see below), whose sum is σ = 3078973440. Its totient is φ = 384870960.

The previous prime is 1340635081. The next prime is 1340635139. The reversal of 1340635098 is 8905360431.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 533290 + ... + 535797.

It is an arithmetic number, because the mean of its divisors is an integer number (96217920).

Almost surely, 2^1340635098 is an apocalyptic number.

1340635098 is an abundant number, since it is smaller than the sum of its proper divisors (1738338342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1340635098 is a wasteful number, since it uses less digits than its factorization.

1340635098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069122.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 1340635098 is about 36614.6841854467. The cubic root of 1340635098 is about 1102.6479177928.

The spelling of 1340635098 in words is "one billion, three hundred forty million, six hundred thirty-five thousand, ninety-eight".