1349157402 has 24 divisors (see below), whose sum is σ = 2923957920. Its totient is φ = 449598600.

The previous prime is 1349157373. The next prime is 1349157409. The reversal of 1349157402 is 2047519431.

It is not an unprimeable number, because it can be changed into a prime (1349157409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81549 + ... + 96687.

It is an arithmetic number, because the mean of its divisors is an integer number (121831580).

Almost surely, 2^1349157402 is an apocalyptic number.

1349157402 is an abundant number, since it is smaller than the sum of its proper divisors (1574800518).

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

1349157402 is a wasteful number, since it uses less digits than its factorization.

1349157402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20098 (or 20095 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1349157402 is about 36730.8780455899. The cubic root of 1349157402 is about 1104.9794641393.

The spelling of 1349157402 in words is "one billion, three hundred forty-nine million, one hundred fifty-seven thousand, four hundred two".