149402389378 has 32 divisors (see below), whose sum is σ = 250944920640. Its totient is φ = 66135480000.

The previous prime is 149402389363. The next prime is 149402389379. The reversal of 149402389378 is 873983204941.

It is not an unprimeable number, because it can be changed into a prime (149402389379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415588 + ... + 686671.

It is an arithmetic number, because the mean of its divisors is an integer number (7842028770).

Almost surely, 2^149402389378 is an apocalyptic number.

149402389378 is a deficient number, since it is larger than the sum of its proper divisors (101542531262).

149402389378 is a wasteful number, since it uses less digits than its factorization.

149402389378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102434.

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 149402389378 in words is "one hundred forty-nine billion, four hundred two million, three hundred eighty-nine thousand, three hundred seventy-eight".